| Noun | 1. | mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical compositionmaterial, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread" ader wax, earth wax, mineral wax, ozocerite, ozokerite - a waxy mineral that is a mixture of hydrocarbons and occurs in association with petroleum; some varieties are used in making ceresin and candles amblygonite - a white or grey mineral consisting of lithium aluminum phosphate; a source of lithium amphibole - a mineral or mineral variety belonging to the amphibole group amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum apatite - a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus aragonite - a mineral form of crystalline calcium carbonate; dimorphic with calcite argentite - a valuable silver ore consisting of silver sulfide (Ag2S) argyrodite - a rare steel-grey mineral consisting of silver and germanium and sulfur arsenopyrite, mispickel - a silver-white or grey ore of arsenic mineral pitch, asphalt - a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons augite - dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium baddeleyite - a mineral consisting of zirconium oxide bastnaesite, bastnasite - a yellow-to-brown mineral that is a source of rare earth elements bauxite - a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst beryl - the chief source of beryllium; colored transparent varieties are valued as gems borax - an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent bornite, peacock ore - a mineral consisting of sulfides of copper and iron that is found in copper deposits carnallite - a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium cassiterite - a hard heavy dark mineral that is the chief source of tin celestite - a mineral consisting of strontium sulphate cerussite, white lead ore - a mineral consisting of lead carbonate that is an important source of lead chalcocite, copper glance - a heavy grey mineral that is an ore of copper chalcopyrite, copper pyrites - a yellow copper ore (CuFeS2) made up of copper and iron sulfide chlorite - a generally green or black mineral; it occurs as a constituent of many rocks typically in the form of a flat crystal chromite - a brownish-black mineral; the major source of chromium chrysoberyl - a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone cinnabar - a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury cobaltite - a rare silvery-white mineral; important ore of cobalt coltan, columbite-tantalite - a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips cordierite - a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone cristobalite - a white mineral consisting of silica; found in volcanic rocks crocolite - a rare lead chromite mineral that forms bright orange crystals cryolite, Greenland spar - a white mineral consisting of fluorides of aluminum and sodium; a source of fluorine cuprite - a mineral consisting of cuprous oxide that is a source of copper bitter spar, dolomite - a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer earth color - a colored mineral used as a pigment emery - a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper) cobalt bloom, erythrite - a reddish mineral consisting of hydrated cobalt arsenate in monoclinic crystalline form and used in coloring glass; usually found in veins bearing cobalt and arsenic fergusonite - a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals fluor, fluorite, fluorspar - a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine gadolinite, ytterbite - a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium |
| Adj. | 1. | mineral - relating to minerals; "mineral elements"; "mineral deposits" |
| 2. | mineral - composed of matter other than plant or animal; "the inorganic mineral world" inorganic - lacking the properties characteristic of living organisms |