Amethyst is a violet variety of quartz often used in jewelry. A reference...
Anandalite is a high vibration quartz crystal that has rainbow color sparkle...
Apophyllite - The name apophyllite is derived from the Greek Apophylliso, meaning it...
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate....
Cavansite whose name is derived from its chemical composition, calcium vanadium silicate, is...
Chalcedony is a cryptocrystalline form of silica, composed of very fine inter growths...
Goosecreekite is one of the rarer zeolites and one of the most unusually...
Gyrolite often forms nodular aggregates. These aggregates can appear glassy, dull or even...
Heulandite is the name of a series of tecto-silicate minerals of the zeolite...
Okenite is a silicate mineral that is usually associated with zeolites. It most...
Pentagonite is a rare silicate mineral. It was named for the unusual twinning...
Powellite are excellent stones to stimulate your creative gifts, and are known...
Prehnite is a inosilicate of calcium and aluminium. Prehnite crystallizes in the orthorhombic...
Quartz is the second most abundant mineral in the Earth's continental crust,...