Properties & Information
Anorthosite
AnorthositeSCIENCE / MINERALOGYAnorthosite is an igneous rock, not a single mineral species. It is composed predominantly of plagioclase feldspar, generally more than 90% by volume, with smaller amounts of pyroxene,...
Anorthosite
AnorthositeSCIENCE / MINERALOGYAnorthosite is an igneous rock, not a single mineral species. It is composed predominantly of plagioclase feldspar, generally more than 90% by volume, with smaller amounts of pyroxene,...
Angelite
AngeliteSCIENCE / MINERALOGYAngelite is the trade name for compact, fine-grained blue anhydrite, CaSO₄. Anhydrite crystallizes in the orthorhombic system and is the water-free calcium sulfate counterpart of gypsum. Angelite's powdery...
Angelite
AngeliteSCIENCE / MINERALOGYAngelite is the trade name for compact, fine-grained blue anhydrite, CaSO₄. Anhydrite crystallizes in the orthorhombic system and is the water-free calcium sulfate counterpart of gypsum. Angelite's powdery...
Angel Aura Quartz
Angel Aura QuartzSCIENCE / MINERALOGYAngel Aura Quartz is not a naturally occurring quartz variety. It is natural or synthetic quartz that has been permanently coated in a vacuum chamber with...
Angel Aura Quartz
Angel Aura QuartzSCIENCE / MINERALOGYAngel Aura Quartz is not a naturally occurring quartz variety. It is natural or synthetic quartz that has been permanently coated in a vacuum chamber with...
Anapaite
AnapaiteSCIENCE / MINERALOGYAnapaite is a hydrated calcium-iron phosphate mineral with the formula Ca₂Fe²⁺(PO₄)₂·4H₂O. It crystallizes in the triclinic system and commonly forms pale green to yellow-green tabular or prismatic crystals....
Anapaite
AnapaiteSCIENCE / MINERALOGYAnapaite is a hydrated calcium-iron phosphate mineral with the formula Ca₂Fe²⁺(PO₄)₂·4H₂O. It crystallizes in the triclinic system and commonly forms pale green to yellow-green tabular or prismatic crystals....
Amphibole Quartz
Amphibole QuartzSCIENCE / MINERALOGYAmphibole Quartz is a trade name for quartz containing visible inclusions of amphibole-group minerals and, in some material, other iron-bearing minerals. The host is quartz, SiO₂, while...
Amphibole Quartz
Amphibole QuartzSCIENCE / MINERALOGYAmphibole Quartz is a trade name for quartz containing visible inclusions of amphibole-group minerals and, in some material, other iron-bearing minerals. The host is quartz, SiO₂, while...
Ammonite
AmmoniteSCIENCE / MINERALOGYAmmonites are extinct marine cephalopods known from fossilized, usually planispirally coiled shells. They are fossils rather than minerals. Original shell aragonite may be preserved in some specimens, while...
Ammonite
AmmoniteSCIENCE / MINERALOGYAmmonites are extinct marine cephalopods known from fossilized, usually planispirally coiled shells. They are fossils rather than minerals. Original shell aragonite may be preserved in some specimens, while...