Geographic Minerals

Benstonite is a mineral with formula Ba6Ca6Mg(CO3)13. Discovered in 1954, the mineral was described in 1961 and named after Orlando J. Benston (1901–1966). It is…

Benitoite is a rare blue barium titanium silicate mineral, found in hydrothermally altered serpentinite. It is a rare gemstone, and for all practical purposes only…

Becquerelite is a uranium mineral with the chemical formula: Ca(UO2)6O4(OH)6·8(H2O). It is a highly radioactive and interesting mineral. It is a secondary mineral which contains…

Bazzite is a beryllium scandium cyclosilicate mineral with chemical formula: Be3Sc2Si6O18 (Be3(Sc,Fe)2Si6O18 or Be3(Sc, Al)2Si6O18). It crystallizes in the hexagonal crystal system typically as small…

Bayleyite is a uranium carbonate mineral with the chemical formula: Mg2(UO2)(CO3)3· 18(H2O). It is a rare mineral that can be found in localities in the…

Bayldonite is a rare secondary mineral with the chemical formula PbCu3(AsO)2(OH)2. is another attractive arsenate mineral formed in the oxidation zone of the ore deposit.…

Baumhauerite (Pb3As4S9) is a rare lead sulfosalt mineral. It crystallizes in the triclinic system, is gray-black to blue-gray and its luster is metallic to dull.…

Bastnasite, which is sometimes spelled as bastnaesite, is one of a few rare earth carbonate minerals. Bastnäsite was first described by the Swedish chemist Wilhelm…

Bassanite is a calcium sulfate mineral with formula CaSO4·0.5(H2O) or 2CaSO4·H2O. In other words, it has half a water per CaSO4 unit hence its synonym…

Barytocalcite is an anhydrous barium calcium carbonate mineral with the chemical formula BaCa(CO3)2. It is rare to an uncommon mineral that can be found in…

Baryte or barite (BaSO4) is a mineral consisting of barium sulfate. It is well-known for its great range of colors and varied crystal habits. It…

Barstowite, formula Pb4[Cl6|CO3]•H2O, is transparent to the white mineral in the monoclinic system. It has a Mohs hardness of 3, a white streak and an…