Geographic Minerals

Bicchulite has an ideal chemical formula of 2CaO •Al2O3•SiO2•H2O, which was formularized from the hydrothermal synthesis of synthetic gehlenite (2CaO •Al2O3•SiO2). Also, it was sighted…

Beudandite is a secondary mineral occurring in the oxidized zones of polymetallic deposits. It is a lead, iron, arsenate, sulfate with endmember formula: PbFe3(OH)6SO4AsO4. is…

Beryllonite is a rare sodium beryllium phosphate mineral with formula NaBePO4. It is a rare mineral that occurs as a secondary mineral in granitic and…

Beryl is a mineral composed of beryllium aluminum cyclosilicate with the chemical formula Be3Al2(SiO3)6. It was named after the Greek word beryllos. The original significance…

Bertrandite is a beryllium sorosilicate hydroxide mineral with composition: Be4Si2O7(OH)2. It is a beryllium sorosilicate hydroxide that often occurs as a replacement of beryl. It…

Berthierite is a mineral, a sulfide of iron and antimony with formula FeSb2S4. It is steel grey in color with a metallic luster which can…

Berryite is a mineral with the formula Pb3(Ag, Cu)5Bi7S16. It occurs as gray to blue-gray monoclinic prisms. It is opaque and has a metallic luster.…

Berlinite (aluminum phosphate, chemical formula AlPO4) is a rare phosphate mineral. It is a rare phosphate mineral first discovered at the Vestana iron mine, Nastum,…

Bergenite is a rare uranyl phosphate of the more specific phosphuranylite group. It was named for the type locality near Bergen at the Streuberg quarry…

Berborite is a beryllium borate mineral with the chemical formula Be2(BO3)(OH, F)·(H2O). It is colorless and leaves a white streak. It is not Radioactive. It…

Beraunite is an iron phosphate mineral. It is scarce, but popular phosphate mineral for collectors. It can have a nice color and luster and its…

Bentorite is a mineral with the chemical formula Ca6(Cr, Al)2(SO4)3(OH)12·26(H2O). It is a rare sulfate with chromium, which most likely is the cause of the…