mineral
Definitions of mineral
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solid homogeneous inorganic substances occurring in nature having a definite chemical compositiontypes:anfíbola mineral or mineral variety belonging to the amphibole groupaugitadark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesiumbauxitaa clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalystberilothe chief source of beryllium; colored transparent varieties are valued as gemsbóraxan ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agentcalcopiritaa yellow copper ore (CuFeS2) made up of copper and iron sulfidecorindónvery hard mineral used as an abrasiveesmerila hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)granate, piropoany of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasiveyesoa common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)malaquitaa green or blue mineral used as an ore of copper and for making ornamental objectsmicaany of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricityópaloa translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstonesmagnesiaa white solid mineral that occurs naturally as periclase; a source of magnesiumpiritaa common mineral (iron disulfide) that has a pale yellow colorcuarzoa hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impuritiestalcoa fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powdertopacioa mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstoneturmalinaa mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstonesturquesaa blue to grey green mineral consisting of copper aluminum phosphatecircóna common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparentalabastroa compact fine-textured, usually white gypsum used for carvingamianto, asbestoa fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancercalcedoniaa milky or greyish translucent to transparent quartzcrisólitoa brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstonealúminaany of various forms of aluminum oxide occurring naturally as corundumocreany of various earths containing silica and alumina and ferric oxide; used as a pigmentesmeraldaa green transparent form of beryl; highly valued as a gemstonefeldespatoany of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or bariumjacintoa red transparent variety of zircon used as a gemstonecalcitaa common mineral consisting of crystallized calcium carbonate; a major constituent of limestonerubía transparent deep red variety of corundum; used as a gemstone and in laserszafiroa precious transparent stone of rich blue corundum valued as a gemstoneesteatitaa soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornamentstype of:materiathe tangible substance that goes into the makeup of a physical object
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