Geographic Minerals

Briartite is an opaque iron-grey metallic sulfide mineral, Cu2(Zn, Fe)GeS4 with traces of Ga and Sn, found inclusions in other germanium-gallium-bearing sulfides. It is a…

Brianyoungite is a secondary zinc carbonate mineral. It was named after Brian Young (born- 1947), a field geologist and mineralogist associated with the British Geological…

Brianite is a phosphate mineral with the chemical formula Na2CaMg(PO4)2. It is a phosphate mineral that was first identified in an iron meteorite. This mineral…

Brezinaite, discovered in 1969, is a rare mineral composed of chromium and sulfur. It was named in honor of Aristides Brezina (1848–1909), a past Director…

Brewsterite is the name of a series of tectosilicate minerals of the zeolite group. Prior to 1997, brewsterite was recognized as a mineral species, but…

Breithauptite is a nickel antimonide mineral with the simple formula NiSb. It is a copper-colored usually arborescent mineral NiSb consisting of nickel antimonide It was…

Brazilianite, whose name derives from its country of origin, Brazil, is a typically yellow-green phosphate mineral, most commonly found in phosphate-rich pegmatites. It is an…

Braunite is a silicate mineral containing both di- and tri-valent manganese with the chemical formula: Mn2+Mn3+6[O8|SiO4]. It was named after Wilhelm von Braun, an Advisor…

Brassite is a rare arsenate mineral with the chemical formula Mg(AsO3OH)·4(H2O). It is a rare arsenate mineral, first discovered in 1973 in Jachymov (Joachimsthal), Czech…

Braggite is a sulfide mineral of platinum, palladium, and nickel with chemical formula: (Pt, Pd, Ni)S. It is a dense (specific gravity of 10), steel…

Bowieite is a rhodium-iridium-platinum sulfide mineral (Rh, Ir, Pt)2S3, found in platinum-alloy nuggets from Goodnews Bay, Alaska. It was named (by the IMA in 1984)…

Boussingaultite is a rare sulfate mineral of the chemical formula: (NH4)2Mg(SO4)26(H2O). The formula of boussingaultite is that of Tutton’s salts type. It is consisting of…