Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
|a soda pyroxene whose crystals show a steep pyramid.
|a transparent or translucent variety of common FELDSPAR, or ORTHOCLASE; aka MOONSTONE. [From the Adula group in the Alps].
|a silicate of iron and sodium occurring in many alkaline igneous rocks. [From the Norse sea-god Aegir].
|a type of CHALCEDONY.
|to convert into agate; to make resemble agate.
|a soft, semi-transparent gypsum.
|a bituminous mineral resembling ASPHALT, found in the county of Albert, New Brunswick.
|a sodium-rich plagioclase, usu. white, occurring widely in silicate rocks; aka sodium feldspar.
|pertaining to ALBITE, a white silicate.
|of or like ALBITE.
|to turn into ALBITE, a mineral, a white silicate.
|a silicate containing a large amount of cerium, related to EPIDOTE in form and composition.
|a translucent, colored aluminum silicate.
|almandine almandite alabandine almondite
|a deep red garnet consisting of an iron aluminum silicate.
|alumin alumina alumine
|an oxide of aluminium.
|pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution.
|another name for ALUNITE, a hydrous sulphate of aluminum and potassium.
|a hydrous sulphate of aluminum and potassium, aka alum-stone.
|amazon-stone, a green microcline said to be given by the Brazilian Amazons to the men who visited them.
|a purple gemstone, believed to ward off drunkenness.
|of or like AMIANTHUS, asbestos with silky fibres.
|asbestos with silky fibres. [Gk. amiantos (lithos) undefiled (stone), from a- (privative), and miainein to soil].
|a brown asbestos, a form of asbestos mined only in S. Africa.
|any mineral of a group of dark-coloured, rock-forming silicates.
|a white or flesh-red mineral of the zeolite family.
|of or like ANALCIME, a mineral of the zeolite family.
|a mineral of titanium oxide.
|a kind of triclinic feldspar found in the Andes.
|a green-to-black garnet.
|a native sulphate of lead, occurring in white or yellowish transparent, prismatic crystals.
|an anhydrous sulphate of lime, differing from gypsum in not containing water (whence the name).
|a mineral closely related to DOLOMITE, but containing iron.
|an apple-green mineral, hydrous nickel arsenate.
|triclinic, referable to three unequal oblique axes.
|a plagioclase feldspar, calcium aluminium silicate.
|calcium fluoride phosphate, used as a fertilizer.
|hydrated calcium potassium silicate, that exfoliates on heating.
|an orthorhombic mineral composed of calcium carbonate.
|an iron-rich sodium amphibole which occurs as black or dark green monoclinic crystals.
|a form of silver sulphide crystallizing in the cubic system and occurring as dark grey crystals with a metallic lustre.
|an indurated argillaceous rock that is harder than shale and does not split easily.
|like ARGILLITE, an indurated argillaceous rock.
|a silver ore, aka ARGENTITE.
|a fine fibrous form of certain minerals. [Gk. (literally) unquenchable, from a- (privative) and sbestos, extinguished].
|containing ASBESTOS, a fine fibrous form of certain minerals.
|an oxychloride of copper, usually in emerald-green prismatic crystals.
|one of the pyroxene group of minerals, very similar to hornblende. [Gk. auge, bright].
|pertaining to, or like, AUGITE; as, augitic rocks.
|a fluorescent minor ore of uranium. [From Autun, France].
|a glass containing golden or green flecks; quartz containing mica flakes > AVENTURINS. Also AVENTURINE, AVANTURINE.
|a rock-forming triclinic silicate of the epidote group containing calcium, iron, manganese, aluminium, and boron, and occurring as brown or yellow, often large, crystals.
|a blue carbonate of copper, aka blue malachite.
|a variety of spinel ruby, of a pale rose red, or inclining to orange.
|a native sulphate of barium.
|of or pertaining to BARYTA, barium oxide.
|a type of brownish-black mineral > BASALTINES.
|a black form of jasper or quartzite, formerly used as a touchstone.
|a kind of clay, used in industry as a filler etc.
|an aluminum silicate: the green form is EMERALD and the blue form AQUAMARINE.
|of or like BERYL.
|an oxide of BERYLLIUM.
|mica containing iron and magnesia, generally of a black or dark green color.
|of or like BIOTITE, a kind of mica.
|naturally-occurring asphalt from the Middle East, used as mortar etc.
|an earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.
|a zinc sulphide, often containing some iron.
|a mineral present in BAUXITE. [From Johann Böhm (1895—1952), Ger. chemist].
|a chloroborate of magnesium usu. occurring as greyish-white cubic crystals.
|a hydrated sodium borate, which is a white efflorescent crystalline solid found as a native deposit or prepared from other minerals. Pl. BORAXES or BORACES.
|a valuable ore of copper, containing copper, iron, and sulphur, aka peacock ore.
|of or like BORNITE, a valuable ore of copper.
|of minerals, occurring in grape-shaped masses.
|a native oxide of manganese, of dark brownish black color. [From a Mr Braun of Gotha].
|a variety of ENSTATITE with bronze-like lustre.
|a mineral, titanium oxide.
|a PLAGIOCLASE intermediate between ANORTHITE and LABRADORITE.
|an opaque or milk-white CHALCEDONY, a variety of QUARTZ. [Fr. f. Mongolian kas chilagun precious stone].
|a yellow-brown quartz. [Gaelic carn, stone + gorm, blue].
|an ore of zinc, spec. the carbonate (SMITHSONITE), or less commonly the basic silicate (HEMIMORPHITE). Also, a pink preparation of powdered zinc carbonate or oxide used in lotions, ointments, etc. (Verb) to apply calamine to.
|a metallic pale yellow mineral consisting of a telluride of gold in the form of elongated striated crystals.
|a cryptocrystalline form of quartz, microscopically fibrous with waxy luster.
|trigonal calcium carbonate, occurring e.g. as limestone or Iceland spar.
|of or like CALCITE.
|a fiery-red precious stone, aka ALMANDINE. [L. carbunculus, dim. of carbo, a coal].
|a dull red or reddish-white kind of chalcedony.
|a yellow uranium ore.
|an opaque, compact variety of BARITE, or heavy spar.
|native strontium sulphate, so named from its occasional delicate blue color.
|white lead, used as a pigment.
|native lead carbonate, occurring in colorless, white, or yellowish transparent crystals.
|a mineral, aka PLEONASTE, a dark-green to black variety of spinel.
|a colourless, pink, or yellow zeolite which usu. occurs as rhombohedral crystals.
|native iron carbonate, aka SIDERITE.
|a radioactive mineral rich in thorium and uranium.
|a microcrystalline form of silica, occurring as several varieties. Aka HORNSTONE.
|like chert; containing chert > CHERTIER, CHERTIEST.
|a black submetallic mineral consisting of oxide of chromium and iron.
|a soft, earthy, clayey mineral, of whitish or grayish color.
|a red crystalline form of mercuric sulfide used as a pigment.
|a radioactive mineral.
|a member of the pyroxene group of minerals having a monoclinic crystal structure, such as augite, diopside, or jadeite.
|pertaining to, derived from, or containing, cobalt.
|a mineral of a nearly silver-white color, composed of arsenic, sulphur, and cobalt.
|a granular variety of pyroxene, green or white in color.
|a type of silica.
|a uranium-yielding ore.
|polishing rouge; a reddish brown oxide of iron, used in polishing glass, and also as a pigment. [Arabic qolqotar].
|a metallic ore of COLUMBITE and TANTALITE, found in the Congo.
|the chief ore of niobium, an orthorhombic oxide of iron, manganese, and niobium, aka NIOBITE.
|ferrous sulphate heptahydrate, a green crystalline compound used in inks and pigments and in medicine. Pl. COPPERASES.
|a mineral substance or petrifaction, in the form of coral.
|a mineral consisting of alumina, second in hardness only to the diamond (varieties include sapphire, ruby, emery). [Tamil kurundam].
|a native sulphide of copper, occuring in masses of a dark blue color.
|a bright red mineral, lead chromate.
|cryolite kryolite kryolith
|an aluminum ore.
|an ore of copper.
|a radioactive mineral.
|a mineral, an aluminum silicate, usually sky-blue.
|of or like CYANITE, a mineral, an aluminum silicate, usually sky-blue.
|cat's-eye, a variety of chrysoberyl with wavy opalescence.
|a borosilicate of lime commonly occuring in glassy, greenish crystals.
|a hydrous carbonate of alumina and soda, occurring in white, bladed crustals.
|a lustrous green gem variety of andradite garnet.
|an arborescent -- i.e. irregularly branching like a tree -- mineral growth (commonly of some manganese oxide).
|of or like a DENDRITE.
|the mineral STILBITE, occurring in bundles.
|a brown, green or grey form of AUGITE. [Gk. diallage interchange].
|relating to DIALLAGE.
|a native carbonate of manganese, aka RHODOCHROSITE.
|an allotropic form of carbon; (verb) to furnish or adorn (as) with diamonds.
|a hydrate of ALUMINA, often occurring in white lamellar masses with brilliant pearly lustre.
|a mineral, IOLITE or CORDIERITE; -- so called from its presenting two different colors when viewed in two different directions.
|pertaining to a type of crystal system.
|either one of the two forms of a dimorphous substance; as, CALCITE and ARAGONITE are dimorphs.
|a crystallized variety of PYROXENE, of a clear, grayish green color.
|relating to DIOPSIDE, a crystallized variety of PYROXENE, of a clear, grayish green color.
|a hydrous silicate of copper, occurring in emerald-green crystals.
|a mineral, aka CYANITE or KYANITE-- so called in allusion to its unequal hardness in two different directions.
|a mineral, double carbonate of calcium and magnesium; a rock composed of that mineral, magnesian limestone.
|a rock composed of DOLOMITE.
|dry ice or frozen granular carbon dioxide.
|mineral matter deposited from a dripping solution e.g. stalactites. Cf. SPELEOTHEM.
|rough with or composed of minute crystals > DRUSIER, DRUSIEST.
|dysodil dysodile dysodyle
|an impure earthy or coaly bitumen, which emits a highly fetid odor when burning.
|a waxy natural paraffin, aka OZOKERITE.
|a variety of nephelite, usually massive, of greasy luster, and gray to reddish color.
|elastic bitumen, a rubber-like mineral resin.
|a green variety of BERYL.
|a dark-grey crystalline copper arsenic sulphide, a minor ore of copper.
|a mineral with fluid inclusions.
|a variety of CHALCEDONY containing water. [Gk. enydros containing water, from en in + hydor, water]. Pl. ENHYDROSES.
|a mineral of the pyroxene group, a silicate of magnesia with some iron. BRONZITE is a ferriferous variety.
|a silicate of alumina, lime, and oxide of iron, or manganese.
|related to, resembling, or containing EPIDOTE; as, an epidotic granite.
|native sulphate of magnesia or Epsom salt.
|erbium oxide. [From the town of YTTERBY].
|a basic arsenate of copper.
|a mineral which occurs in white wool-like crystals.
|a reddish hydrous arsenate of cobalt.
|cinnamon stone, a variety of garnet. [Gk. hesson, inferior (i.e. in hardness, to hyacinth which it resembles)].
|a hydrated beryllium aluminium silicate occurring in pale-green transparent crystals.
|a silicate of zirconium, sodium, calcium and iron, occurring in Greenland, easily dissolved by acids.
|a NIOBATE and TANTALATE of yttrium and other rare earth elements and uranium.
|any grey copper ore of the system whose typical forms are TETRAHEDRITE and TENNANTITE.
|a black, greenish, or brownish mineral of the CHRYSOLITE group. It is a silicate of iron.
|felspar a common rock-forming mineral.
|a radioactive element, no. 100.
|a form of pure iron.
|consisting mainly of FERRITE, a form of pure iron.
|a silicate of alumina, of fibrous or columnar structure. It is like ANDALUSITE in composition; aka SILLIMANITE.
|iron pyrites, formerly used for striking fire.
|a brownish-green mineral, manganese arsenate.
|a variety of quartz, or a concretion of silica; (verb) to provide with a flint, for spark production.
|a general term for deposits formed by dripping and flowing water on walls and floors of caves.
|fluor fluorite fluorspar
|a mineral, calcium fluoride. [L. fluor, to flow, from its use as a flux].
|an agreed term for FELDSPATHOID, any mineral of a group related to FELDSPAR.
|a white, yellow, or green mineral of the olivine group consisting of magnesium silicate. [After J. R. Forster (1729-98), German naturalist].
|a brilliant green chromium mica.
|a mineral, zinc spinel. [From J.G.Gahn, a Swedish chemist].
|an ore of lead.
|relating to GALENA, lead ore.
|of or like GALENA, a lead ore.
|a name given to various silicates, some semi-precious.
|a mineral, calcium aluminum silicate.
|a precious or semiprecious stone, esp. one cut and polished for setting in jewellery.
|a complex mineral, basically copper arsenic sulphide.
|a deposit from hot springs, aka SINTER.
|a hydrate of alumina.
|another name for UINTAITE.
|girasol girasole girosol
|a rudimentary form of crystallite, spherical in shape.
|a rhombohedral zeolitic mineral, related in form and composition to CHABAZITE. [From C.G.Gmelin, a German chemist].
|a hydrous oxide of iron, occurring in prismatic crystals.
|a mineral, AVENTURINE with gold-colored inclusions.
|a rare mineral, hydrated zinc sulphate, found at Goslar in the Harz Mountains.
|a soft allotrope of carbon.
|pertaining to, containing, derived from, or resembling, GRAPHITE.
|a garnet containing calcium and aluminium, occurring in grey, pinkish, or yellow-green crystals and used as a gemstone.
|hydrated oxide of uranium and lead.
|resembling or containing GYPSUM; partaking of the qualities of gypsum.
|hydrated calcium sulphate, a soft mineral used for making plaster of Paris and as a fertilizer.
|a hydrated calcium silicate.
|an ore of iron.
|of or like HAEMATITE, an ore of iron.
|a monoclinic hydrated silicate of aluminium and barium. [Gk. harmos, joint, + tomos, cut].
|a blue mineral, found in lapis lazuli. [From Fr. mineralogist Rene J. Hauy].
|a white variety of green lead ore, arsenate, phosphate and chlorate of lead and calcium with barium. [Gk. hedys, sweet, pleasant].
|a variety of clear yellow beryl occurring in S.W. Africa. [Gk. 'sun gift'].
|of or pertaining to HEMATITE, or resembling it.
|a variety of BARITE emitting a fetid odor when rubbed or heated.
|black spinel, an aluminate of iron.
|a lead-gray sectile mineral, a telluride of silver.
|an emerald-green variety of SPODUMENE found in North Carolina. [From W.E.Hidden].
|an oxide of HOLMIUM.
|an alternative name sometimes given to CHERT.
|a magnesium orthosilicate.
|a pellucid variety of opal in globules looking like colorless gum or resin.
|another name for CRYOLITE, an aluminum ore.
|a silicate of calcium, magnesium, and aluminium, occurring as brown, yellow, or green crystals or masses in metamorphosed limestones. Aka VESUVIANITE. [Gk. eidos, likeness + krasis, mixture].
|a white or pale clay mineral found in shales or sediments.
|of or like ILLITE, a clay mineral.
|a brownish-black titanium ore.
|an organic compound of the asphaltic group. [From Impson valley, Oklahoma].
|a class of polymeric silicates.
|native silver iodide, a yellow or greenish mineral crystallizing in the hexagonal system.
|a transparent gem, varying in colour with the light it transmits. [Gk. ion, violet + lithos, stone].
|a radioactive isotope of THORIUM.
|a hard, earthy ore of iron.
|an orange-colored variety of the gem hyacinth.
|a precious stone. [Spaniards who first met this stone in the 16th century believed that it had the power to cure kidney problems, so called it piedra de ijada, kidney-stone]. (Verb) to tire.
|a monoclinic silicate of sodium, aluminium, and ferric iron.
|of or like JADEITE, a mineral.
|a brilliant pale or colourless zircon.
|a hexagonal basic sulphate of potassium and iron occurring as yellow or brown crusts on ferruginous ores.
|= JASPER, a precious stone.
|a red variety of CHERT, its color coming from minute particles of included HEMATITE.
|to turn into, or cause to resemble, JASPER.
|of or like JASPER.
|of the nature of jasper; mixed with jasper > JASPERIER, JASPERIEST.
|consisting of jasper, or containing jasper.
|an old name for JASPER.
|a hard black variety of LIGNITE.
|a mass of coal.
|native potash alum.
|a variety of nickeliferous iron, found in meteorites.
|a very pure white clay used to form the paste of porcelain; aka China clay.
|relating to KAOLIN, a very pure white clay.
|to turn into KAOLIN, a very pure white clay.
|a hydrated aluminum silicate.
|a mineralogical term.
|a cherry-red mineral, antimony oxysulphide.
|a hydrated oxide of sodium and boron.
|a kind of bitumen found in oil shale.
|hydrous sulphate of magnesia found at the salt mines of Stassfurt, Prussian Saxony.
|a lilac variety of SPODUMENE, used as a gemstone. [From G.F.Kunz, am American gemmologist].
|of or like KYANITE.
|a coarse nepheline SYENITE.
|a mineral, a soda SYENITE.
|a blue semi-precious stone composed chiefly of a sulphur-containing silicate of sodium and aluminium.
|a mineral of a light indigo-blue color, a hydrous phosphate of alumina and magnesia.
|a blue cubic mineral, sodium aluminum silicate.
|a silicate of aluminium and potassium, named for its whitish colour.
|a yellow or brown mineral containing antimony.
|a gemstone, perh. the modern jacinth, i.e, a reddish-orange variety of zircon used as a gem.
|a mixture of hydrous ferric oxides and important as an iron ore.
|of or like LIMONITE, hydrous sesquioxide of iron.
|lead monoxide, PbO, a toxic red or yellow solid prepared by oxidation of lead in air and used as a pigment and in making glass and ceramics.
|lithium oxide, a strong alkaline caustic similar to potash and soda, but weaker.
|a type of coal.
|MAGNETITE that is naturally magnetized; a piece of this used as a magnet.
|any of the organic elements that constitute coal.
|a mineral, aka CHIASTOLITE; -- so called from the tessellated appearance of a cross section.
|a dome parallel to the longer lateral axis of an orthorhombic crystal.
|a lodestone. Pl. MAGNESES.
|an ore of magnesium.
|pertaining to, or containing, magnesium; as, magnesic oxide.
|native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals.
|magnetic iron ore (Fe3O4), called lodestone when polar.
|of or like MAGNETITE.
|native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure.
|a thick mineral pitch.
|one of the oxides of manganese. It occurs in brilliant steel-gray or iron-black crystals, also massive.
|of, pertaining to, designating, those compounds of manganese in which the element has a lower valence as contrasted with manganic compounds; as, manganous oxide.
|a sulphide of iron resembling pyrite or common iron pyrites in composition, but differing in form; white iron pyrites.
|a mineral, a variety of SCAPOLITE.
|lead protoxide, obtained as a yellow amorphous powder, the fused and crystalline form of which is called LITHARGE. It is used as a pigment.
|a molten mixture of impure metal sulphides produced during the smelting of sulphide ores of copper, nickel, etc.
|an aluminosilicate mineral, the calcium- and carbonate-rich end-member of the SCAPOLITE series.
|a black variety of GARNET.
|of or like MELANITE, a black variety of GARNET.
|a mineral of a honey color, found in brown coal, and partly the result of vegetable decomposition.
|a kind of opal, aka liver opal.
|a zeolitic mineral, a hydrous silicate of alumina, lime, and soda.
|of or denoting the amorphous state of a substance that has lost its crystalline structure as a result of the radioactivity of uranium or thorium within it.
|a rock-forming mineral (muscovite, biotite, lepidolite, etc) with perfect basal cleavage.
|consisting of or made of mica.
|to furnish with mica.
|a rare mineral of resinous luster and high specific gravity, a tantalate of calcium.
|an arseniate of lead, occurring in pale yellow or brownish hexagonal crystals.
|arsenical iron pyrites; aka ARSENOPYRITE.
|a SCAPOLITE richer in sodium than MEIONITE.
|a green TEKTITE found in the Czech republic, thought to be the product of an ancient meteorite impact in Germany.
|a phosphate of cerium, lanthanum, other rare-earth elements, and thorium.
|a nearly pellucid variety of feldspar, showing pearly or opaline reflections from within.
|a rosy pink semi-precious gem, a variety of beryl.
|a colourless orthorhombic aluminium silicate used in refractory porcelains and bricks. [From Island of Mull].
|iron pyrites, or arsenical pyrites; -- so called by the Cornish miners.
|a type of mica, used as an insulator.
|a clay mineral.
|a zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.
|a mineral found in igneous rocks and used for ceramics and enamels.
|a silicate of aluminia, soda, and potash occuring at Vesuvius, in glassy agonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety ELAEOLITE.
|a kind of jade used as charm against kidney disease; kidney stone.
|a mineral of a copper-red color and metallic luster; an arsenide of nickel.
|of, pertaining to, or designating, those compounds of nickel in which, as contrasted with the nickelic compounds, the metal has a lower valence; as, nickelous oxide.
|the chief ore of niobium, an orthorhombic oxide of iron, manganese, and niobium, aka COLUMBITE.
|a mineral occurring in transparent crystals, native sodium nitrate.
|a cubic mineral, aluminum sodium silicate and sulphur.
|more fully oligist iron > HAEMATITE.
|an olive-green hydrous arseniate of copper.
|a mineral, iron and magnesium silicate, used as refractory and in cements.
|of or like OLIVINE, a mineral, iron and magnesium silicate.
|a grass-green PYROXENE.
|a form of chalcedony consisting of plane layers of different colours, much used for cameos.
|an amorphous variety of SILICA.
|a yellow arsenic compound used as a pigment. [L. auripigmentum].
|in crystallography, the orthodiagonal. Pl. ORTHOAXES.
|a micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists.
|capable of being converted into an oxide.
|a waxy natural paraffin.
|a soft, greenish, greyish or yellowish mineral, thought to be a variety of pinite, known particularly for its use by the Chinese for carving.
|a kind of pseudomorph, in which there has been a change of physical characters without alteration of chemical composition, as the change of aragonite to calcite.
|a dark green aluminous variety of amphibole, or hornblende.
|to coat metal with oxides to protect from corrosion.
|a hydrous silicate of lime and soda, occurring in radiated or fibrous crystalline masses.
|a mineral of the chlorite group.
|an oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.
|isomeric crystals of magnesium oxide.
|a variety of ALBITE occurring as large elongated white crystals, often twinned.
|a gemstone, a pale green variety of OLIVINE.
|a crystal of one species enclosing one of another species.
|a variety of alkali feldspar.
|relating to PERTHITE, a variety of alkali feldspar.
|a general term including both oil and natural gas.
|a colorless variety of CHABAZITE, a mineral of the ZEOLITE group, occurring as crystals of lenticular form.
|a rare trigonal silicate of beryllium that is a rock- forming mineral occurring as colourless or white scales and prisms.
|a transparent stone used in ancient times for windows, probably SELENITE.
|a colorless poison gas made from chlorine and carbon monoxide.
|a rare fluorescent secondary mineral consisting of lead chloro-carbonate in the form of greyish tetragonal crystals.
|a metamorphosed mudstone with a silky sheen, more coarse-grained than a slate and less coarse-grained than a SCHIST.
|of or like PHYLLITE, a metamorphosed mudstone with a silky sheen.
|a dark spinel containing iron, magnesium and chromium.
|a dark-red mineral, a hydrated silicate of calcium, aluminium, managanese and iron.
|a monoclinic mineral of the PYROXENE group.
|a greyish-green or brown mineral containing amorphous aluminium and potassium sulphates.
|a variety of calcite, or calcium carbonate, consisting of aggregated globular concretions about the size of a pea.
|composed of, containing, or resembling, PISOLITE, a variety of calcite.
|a dark-green to black variety of spinel.
|graphite. [L. plumbago, from plumbum, lead]. Pl. PLUMBAGOS.
|manganese dioxide, occurring in tetragonal crystals nearly as hard as quartz.
|a colourless rare mineral, hydrated caesium aluminium silicate.
|a grey to black mineral consisting of a sulphide of silver, antimony, and copper in the form of platelike monoclinic crystals.
|impure zinc oxide.
|a variety of steatite sometimes manufactured into culinary vessels.
|a leek-green quartz.
|an orthorhombic basic silicate of aluminium and calcium, usu. occurring in pale green vitreous masses.
|an andesite altered by SOLFATARIC action.
|a metalliferous material prior to the formation of ore by enrichment.
|a sulphide of arsenic and silver of a beautiful cochineal-red color, occurring in rhombohedral crystals, and also massive; aka ruby silver.
|a massive subcolumnar variety of topaz.
|a black garnet.
|native iron disulphide, a brassy-yellow mineral with a metallic lustre.
|either of the two common forms of iron disulphide, pyrite and marcasite (also iron pyrites). [Gk. pyrites, striking fire, from pyr, fire].
|pyritic pyritical pyritous
|consisting of, or resembling, PYRITES.
|to convert into, or replace by, PYRITES.
|a variety of garnet, used as a gemstone. [Gk. pyropos fiery-eyed, from pyr, fire + ops, opos, eye, face].
|= PYROPE, a fiery red gemstone, a variety of garnet.
|any of a group of silicate minerals.
|containing pyroxene; composed chiefly of PYROXENE.
|the commonest rock-forming mineral, composed of silica.
|of or containing QUARTZ.
|of or resembling quartz > QUARTZIER, QUARTZIEST.
|a bright-red monoclinic mineral. [Arabic rajh al gar, powder of the cave].
|impure metal; an intermediate product in ore smelting. Pl. REGULI or REGULUSES.
|an inflammable mineral resin, usually of a yellowish brown color, found in roundish masses, sometimes with coal.
|a rose-red or pink garnet gem. [Gk. rhodo-, (red)].
|manganese spar, or silicate of manganese, a mineral occurring in crystallised and in rose-red masses.
|a bright-red monoclinic mineral, now called REALGAR.
|a kind of ruby-red quartz.
|an altered BIOTITE, mica containing iron and magnesia, generally of a black or dark green color.
|a variety of tourmaline varying in color from a pale rose to a deep ruby, and containing lithium.
|a variety of ruby of a yellowish red color, from Brazil.
|red iron oxide. [L. rubigo, rust]. Pl. RUBIGOS.
|a pure transparent red corundum; (verb) to redden; (adj.) red like a ruby > RUBIER, RUBIEST.
|of quartz, containing needles of RUTILE.
|a tetragonal, usu. reddish-brown, mineral, titanium dioxide, that is an important ore of titanium.
|a form of RUTILE.
|pertaining to SAGENITE, a form of RUTILE.
|a crust or coating of mineral.
|of minerals, rich in silicon and aluminum.
|potassium nitrate, occurring as a white crystalline substance with a saline taste and used in preserving meat and as the chief constituent of gunpowder.
|a variety of orthoclase feldspar common in certain eruptive rocks, such as TRACHYTE.
|a hydrous silicate of magnesia and alumina occurring in soft, soapy, amorphous masses.
|a precious variety of CORUNDUM, usually blue.
|a deep orange-colored kind of CHALCEDONY. The pl. of SARDIUS is SARDIUSES.
|an onyx with alternate layers of sard and other mineral. [Gk. sardonyx, from Sardios, Sardian + onyx, a nail].
|a chemical earth, the oxide of SCANDIUM.
|a grayish white mineral occuring in tetragonal crystals and in cleavable masses. It is essentially a silicate of alumina and soda.
|a carbonate or silicate of calcium, occurring naturally in small crystals.
|calcium tungstate, a mineral of a white or pale yellowish color and of the tetragonal system of crystallization.
|TOURMALINE, esp. black tourmaline.
|a hydrous silicate of alumina and lime, occuring in delicate radiating groups of white crystals.
|a leek-green or brownish mineral occurring in orthorhombic crystals. It is a hydrous arseniate of iron.
|antimony trioxide in cubic crystalline form.
|hydrated magnesium silicate occurring as a soft white or yellowish claylike mineral; aka MEERSCHAUM.
|a nodule of mineral substance with a network of cracks filled with another mineral. Pl. SEPTARIA.
|a silky soapy potash mica.
|like SERICITE, a silky soapy potash mica.
|carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Aka CHALYBITE, sparry iron, spathic iron.
|relating to SIDERITE, carbonate of iron, an important ore of iron.
|the dioxide of silicon, occurring naturally as quartz, CRISTOBALITE, and TRIDYMITE
|an iron ore, from which the pigment SINOPIA is obtained.
|a cubic mineral, cobalt arsenide.
|a gray mineral of metallic luster, an arsenide of cobalt, nickel, and iron.
|an old name for EMERALD.
|the family of minerals that are consituents of clays, including BENTONITE and SAPONITE.
|of or like SMECTITE, a hydrous silicate of alumina.
|a transparent or translucent vitreous cubic silicate of aluminium and sodium containing sodium chloride, usually azure-blue.
|any translucent to transparent non-metallic mineral with clean cleavage planes; (verb) to practise boxing.
|of or like spar, the mineral > SPARRIER, SPARRIEST.
|relating to SPAR.
|a hydrous aluminium phosphate.
|calcium titanium silicate, occurring as wedge-shaped monoclinic crystals, usu. greenish-yellow or brown, as an accessory mineral in granitic and metamorphic rocks. Aka TITANITE.
|any mineral of a group of aluminates, ferrates, and chromates of magnesium, iron, zinc, etc crystallizing in octahedra.
|a mineral of a white to yellowish, purplish, or emerald-green color, occuring in prismatic crystals, often of great size. It is a silicate of aluminia and LITHIA.
|a mineral of a steel-gray or iron-black color; tin pyrites. It is a sulphide of tin, copper, and iron.
|the massive white-green talc that is used in paints, ceramics, and insulation.
|pertaining to, or of the nature of, STEATITE; containing or resembling steatite.
|a mineral of a lead-gray color and brilliant metallic luster, occurring in prismatic crystals; a sulphide of antimony.
|a common mineral of the zeolite family, a hydrous silicate of alumina and lime.
|an earth of a white color resembling lime in appearance, and baryta in many of its properties. It is an oxide of the metal STRONTIUM.
|an oxide containing a relatively small amount of oxygen, and less than the normal proportion; as, potassium suboxide, K4O.
|a mineral, aka aventurine feldspar.
|a monoclinic telluride of gold and silver that occurs as silver or yellow crystals or masses with metallic lustre.
|sylvin sylvine sylvite
|a native potassium chloride, a source of potash.
|a bedded ferruginous CHERT containing at least 25% iron.
|a soft greasy white mineral, acid magnesium silicate; (verb) to sprinkle with talc > TALCED/TALCKED.
|like TALC > TALCKIER, TALCKIEST and TALCIER, TALCIEST.
|of or pertaining to talc; composed of, or resembling, talc.
|an orthorhombic tantalate of ferrous iron, occurring as black lustrous crystals.
|a gemstone that exhibits blue, violet, or greenish color depending on the polarization of the light.
|a triclinic oxide of copper that occurs in minute iron-grey scales or black masses and is an ore of copper.
|an orthorhombic manganese silicate of the olivine group which forms ashy grey or reddish crystalline masses.
|an oxide of TERBIUM.
|a whitish vitreous mineral that consists of anhydrous sodium sulphate and occurs in saline residues.
|a rare white earthy substance, an oxide of THORIUM.
|a silicate of THORIUM.
|a radioactive metallic element, atomic no. 90.
|a red ZOISITE found in Norway.
|a golden brown striped pseudomorph of quartz after crocidolite.
|a crude native BORAX, formerly imported from Tibet. It was once the chief source of boric compounds. [Malay tingkal].
|an ore of tin, CASSITERITE.
|a mineral, an oxide of TITANIUM.
|a brown, green or yellow monoclinic mineral, calcium silicate and titanate. Aka SPHENE.
|a precious stone, a silicate of aluminium and fluorine.
|of or like TOPAZ.
|a white variety of amphibole, or hornblende, occurring in long, bladelike crystals, and coarsely fibrous masses.
|a kind of crystallite resembling a bunch of hairs, common in obsidian.
|relating to a TRICHITE, a kind of crystallite resembling a bunch of hairs, common in obsidian.
|a high temperature form of QUARTZ which occurs as thin hexagonal tabular crystals and is found in igneous rocks and stony meteorites.
|a bluish-grey rare mineral that consists of lithium iron phosphate in orthorhombic crystalline form and occurs in pegmatites.
|a fluophosphate of iron and manganese, of a dark brown color, generally with a fibrous, massive structure.
|native iron protosulphide, FeS. It is known only in meteoric irons, and is usually in imbedded nodular masses of a bronze color.
|a reddish or greyish variety of WILLEMITE.
|a yellow earthy mineral, tungsten oxide.
|an iron ore.
|turkies turkis turkois
|old names for TURQUOISE.
|a hydrous phosphate of alumina containing a little copper, having a blue, or bluish green, color.
|crude zinc oxide.
|a tar-like asphalt found in the Uinta valley, Utah.
|a hydrous borate of lime and soda occurring in white rounded crystalline masses.
|a dark-red copper selenide.
|an altered mineral, HORNBLENDE after AUGITE.
|pertaining to URALITE, a hornblende mineral.
|to turn into URALITE.
|a mineral, uranium dioxide.
|uranium dioxide, the major ore of uranium, found most frequently in botryoidal form as PITCHBLENDE.
|a mineral, aka AUTUNITE or TORBERNITE.
|relating to URANYL, uranium oxide.
|a green lime-chrome garnet. [From Count S. S. Uvarov, a Russian minister of education].
|an apple-green mineral occurring in reniform masses. It is a hydrous phosphate of alumina.
|a S. African green mica.
|a separable constituent of bright coal, of glassy appearance.
|a hydrous phosphate of iron of a blue to green color, growing darker on exposure. It occurs in monoclinic crystals, also fibrous, massive, and earthy.
|a scaly granular variety of anhydrite of a grayish white color, used for ornamental purposes.
|wad wadd wadt
|an earthy ore of manganese.
|coal of a certain quality and size; orig. coal dug at Wallsend.
|a hydrous phosphate of alumina, occurring usually in hemispherical radiated forms varying in color from white to yellow, green, or black.
|a kind of mineral.
|the common grayish or white variety of SCAPOLITE.
|a silicate of zinc, usually occurring massive and of a greenish yellow color, also in reddish crystals containing manganese.
|barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses.
|a monoclinic tungstate of iron and manganese, which occurs as black to brown crystals, blades, granules and masses, and is the chief ore of tungsten.
|a striped variety of HORNSTONE, resembling wood in appearance.
|a MOLYBDATE of lead.
|a sulphide of zinc.
|a type of mineral deposit.
|a crystal or mineral grain which has been taken in by magma during its upward flow.
|a native phosphate of YTTRIUM occurring in yellowish-brown tetragonal crystals. [Gk. xenos strange, in error for kenos empty, vain, and time honour, in reference to the fact that the mineral was at first thought to contain a new metal].
|a type of synthetic garnet containing yttrium and aluminium, used in lasers and as a gem.
|the mineral GADOLINITE.
|the oxide of the element YTTRIUM.
|a precious jade. Pl. YUS.
|zaffar zaffer zaffir zaffre
|an impure oxide of cobalt.
|a hydrous carbonate of nickel occurring as an emerald-green incrustation on chromite.
|a native sulphide of arsenic.
|any of a larger group of alumino-silicate minerals.
|of or pertaining to a ZEOLITE; consisting of, or resembling, a zeolite.
|a ferriferous tourmaline. [Gk. zeuxis, joining].
|a steel-gray metallic mineral, a sulphide of antimony and lead.
|a tetragonal silicate of ZIRCONIUM, occurring in variously coloured prismatic crystals, and mined as the main ore of zirconium.
|zirconium dioxide, a white powder usu. obtained by heating zirconium salts and used in refractory coatings, ceramic glazes, etc.
|an orthorhombic basic silicate of calcium and aluminium, usu. occurring in greyish-white or greenish prismatic crystals.
|a metallic copper-lead selenite. [From Zorge in the Harz mountains].