Science

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison,…

Calciborite, CaB2O4, is a rare calcium borate mineral. It was named after the chemical components in its composition – Calcium, and Boron. It was first…

Calaverite, or gold telluride, is an uncommon telluride of gold, a metallic mineral with the chemical formula AuTe2, with approximately 3% of the gold replaced…

Cahnite is a brittle white or colorless mineral that has perfect cleavage and is usually transparent. The chemical formula for cahnite is Ca2B[AsO4](OH)4. It is…

Cafetite is a rare titanium oxide mineral with formula (Ca, Mg)(Fe, Al)2Ti4O12·4(H2O). It is named for its composition, Ca-Fe-Ti. It is a rare titanium oxide…

Cafarsite, formula- (Ca8(Ti,Fe2+,Fe3+,Mn)6-7(AsO3)12·4H2O) is a rare calcium iron arsenite mineral. Manganese and titanium occur with iron in the formula. It is the composition of the…

Cadwaladerite is a rare aluminum halide mineral with formula: AlCl(OH)2·4(H2O). It was reported for an amorphous substance associated with sulfate minerals and embedded in a…

Cadmoselite is a rare cadmium selenide mineral with chemical formula CdSe. It is a rare hexagonal cadmium selenide mineral, black to grey in color. It…

Cadmoindite, formula- (CdIn2S4) is a rare cadmium indium sulfide mineral discovered in Siberia around the vent of a high-temperature (450–600°C) fumarole at the Kudriavy volcano, Iturup…

Cadmium is a chemical element with symbol Cd and atomic number 48. It is a soft, bluish-white metal that can be easily cut with a…

Cacoxenite is an iron aluminum phosphate mineral with formula: Fe3+24Al(PO4)17O6(OH)12 . 17(H2O). is a mineral that is commonly an inclusion in quartz, especially amethyst. The…

Cabriite, formula- (Pd2SnCu) is a mineral first found in the eastern Siberian region of Russia and named for the Canadian mineralogist Louis J. Cabri (born…