Geographic Minerals

Naldrettite is a mineral with a chemical formula of Pd2Sb. It is a new intermetallic mineral discovered in the Mesamax Northwest deposit, Cape Smith folds…

Dolomite (otherwise called dolomite rock, dolostone, or dolomitic stone), kind of limestone, the carbonate part of which is overwhelmed by the mineral dolomite, calcium magnesium…

Nahcolite is a mineral consisting of natural sodium bicarbonate. It is a soft, colorless, or white carbonate mineral with the composition of sodium bicarbonate (NaHCO3)…

Nagyágite [Pb5Au(Te, Sb)4S5-8] is a rare sulfide mineral with a known occurrence associated with gold ores. It is a mineral that is a sulfide of…

Fuchsite is a type of mica/Muscovite that crystallizes in the form of a plate such as layers, scales, masses, and tabular crystals, also known as…

Coesite is a high-pressure polymorph (crystal form) of silica, silicon dioxide (SiO2). It is a form (polymorph) of silicon dioxide SiO2 that is formed when…

Lechatelierite is a natural silica glass that has the same chemical composition as coesite, cristobalite, stishovite, quartz, and tridymite but has a different crystal structure.…

Nadorite is a mineral with the chemical formula PbSbO2Cl. It is a mineral consisting of a brownish yellow lead chloride and stibnite. It is a…

Seifertite is an orthorhombic mineral containing oxygen and silicon. It is a silicate mineral with the formula SiO2 and is one of the densest polymorphs…

Zinc carbonate (ZnCO3), a mineral that was the main source of zinc until the 1880s, when it was substituted by sphalerite, is Smithsonite, also known…

Nacrite is a clay mineral, consisting of hydrous silicate of aluminum and being polymorphous with kaolinite. Its formula, Al2Si2O5(OH)4, is a clay mineral that is…

Deposited sediments can harden into rock over time; next, it compacts the sediments. That is, by the weight of sediments on top of them, they…