Oxides Minerals
Oxides form from the combination of a steel with oxygen. This group ranges from dull ores like bauxite to gem stones like rubies and sapphires. The magnetite pictured to the left is a member of this institution.
Powellite
Powellite is a mineral that belongs to the broader group of minerals known as molybdates and tungstates. It is specifically classified as a calcium...
Gahnospinel
Gahnospinel is a mineral belonging to the spinel group, which is a class of minerals with the general formula AB₂O₄. In gahnospinel, A represents...
Stolzite
Stolzite is a mineral that belongs to the tungstate mineral group. Its chemical formula is PbWO4, which indicates that it is composed of lead...
Rosasite
Rosasite is a secondary mineral that typically forms in oxidized zones of copper-zinc ore deposits. It is chemically composed of copper zinc carbonate hydroxide,...
Psilomelane
Psilomelane is a barium manganese oxide mineral, typically presenting as black or dark gray with a submetallic to dull luster. It often forms botryoidal...
Gahnite
Gahnite is a mineral belonging to the spinel group, specifically a zinc aluminum oxide with the chemical formula ZnAl2O4ZnAl_2O_4ZnAl2O4. It is typically found in...
Crocoite
Crocoite is a rare mineral classified as a lead chromate (PbCrO₄). It is well-known for its vibrant orange-red color and distinctive crystal formations, which...
