types:
Amphibol
a mineral or mineral variety belonging to the amphibole group
Apatit
a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus
Silber-Erz
a valuable silver ore consisting of silver sulfide (Ag2S)
Augit
dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium
Bauxit
a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst
Beryll
the chief source of beryllium; colored transparent varieties are valued as gems
Borax,
Tinkal
an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent
Chrysoberyll
a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone
Granat
any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive
Gips,
Gipsspat,
Selenit
a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
Baryt,
Schwerspat
a white or colorless mineral (BaSO4); the main source of barium
Bitterspat,
Magnesit
a white mineral consisting of magnesium carbonate; a source of magnesium
Malachit
a green or blue mineral used as an ore of copper and for making ornamental objects
Glimmer
any 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 electricity
Opal
a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
Pyroxen
any of a group of crystalline silicate mineral common in igneous and metamorphic rocks
Quarz
a 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 impurities
Feldspatoid,
Foid
any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable
Spinell
a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones
Talk
a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder
Topas
a mineral (fluosilicate of aluminum) that occurs in crystals of various colors and is used as a gemstone
Turmalin
a 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 gemstones
Kallait,
Türkis
a blue to grey green mineral consisting of copper aluminum phosphate
Hyazinth,
Zirkon
a common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent
Biotit
dark brown to black mica found in igneous and metamorphic rock
Alexandrit
a green variety of chrysoberyl used as a gemstone
Amethyst
a transparent purple variety of quartz; used as a gemstone
Anthophyllit
a dark brown mineral of the amphibole group; magnesium iron silicate
Asbest
a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer
Hornblende
a green to black mineral of the amphibole group; consists of silicates of calcium and sodium and magnesium and iron
Aquamarin
a transparent variety of beryl that is blue green in color
Schwarzer Opal
a dark colored opal with internal reflections of green or red
Chrysolith,
Olivin,
Peridot
a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone
Ton,
Tonerde,
Tonstein
any of various forms of aluminum oxide occurring naturally as corundum
Ocker
any of various earths containing silica and alumina and ferric oxide; used as a pigment
Feldspat
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
Feueropal
an opal with flaming orange and yellow and red colors
Eisen-Erz
an ore from which iron can be extracted
Jargon
a colorless (or pale yellow or smoky) variety of zircon
Kunzit
a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone
Calcit,
Kalkspat
a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone
Rosenquarz
a translucent rose-red variety of quartz used for ornaments
Saphir
a precious transparent stone of rich blue corundum valued as a gemstone
Speckstein
a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments