Science

Brochantite is a sulfate mineral, one of a number of cupric sulfates. Its chemical formula is Cu4SO4(OH)6. It is formed from the oxidation of copper…

Silicate perovskite (or bridgmanite) is (Mg, Fe)SiO3 and CaSiO3 (calcium silicate) when arranged in a perovskite structure. Silicate perovskites are mainly found in the lower…

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…

Eliminate Theta between the Equations “Eliminate theta from two or more equations” means that the two or more equations are combined logically into one equation…

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…