Brannerite
UTi2O6 Brannerite can contain a significant amount of thorium, and in this case, is referred to as absite. Much brannerite...
Braggite
PtS In Western Australia, braggite occurs with other platinum group minerals as inclusions in tiny grains of silicates, and as...
Bracewellite
CrO(OH) Bracewellite was identified as black elongated tabular crystals associated with a chromian and iron rich muscovite, and only found...
Boyleite
Zn(SO4)·4H2O Boyleite was identified from post-mining mineral efflorescences collected from tailings and mine openings. It is white and water-soluble, and...
Bowieite
Rh2S3 Bowieite has only been confirmed as minor inclusions in the analysis of platinum or isoferroplatinum nuggets. At Fifield, bowieite...
Bournonite
CuPbSbS3 Bournonite is relatively common in poly-metallic hydrothermal systems. It occurs as a steel or lead-grey metallic sulphosalt with a...
Boulangerite
Pb5Sb4S11 Boulangerite is a relatively common lead-grey metallic sulphosalt that can be easily confused with others that share the same...
Botryogen
MgFe3+(SO4)2(OH)·7H2O Botryogen usually occurs as orange to red reniform masses or fibrous aggregates, but at Mount Isa, it occurs as...
Botallackite
Cu2Cl(OH)3 Botallackite is a copper chloride that generally forms as tiny green or bluish-green bladed crystals, and is much rarer...
Boromullite
Al9BSi2O19 Boromullite is extremely rare and requires analysis to confirm. It most commonly forms very fine intergrowths with sillimanite. On...
Bornite
Cu5FeS4 A widespread copper sulphide mineral (Mindat records almost 100 localities in New South Wales alone). Bornite crystals are rare,...
Boracite
Mg3B7O13Cl Boracite generally occurs as a component of older evaporite deposits but may form from the metamorphism of other borate...