Properties & Information
Black Banded Onyx
Black Banded OnyxSCIENCE / MINERALOGYTrue onyx is a variety of chalcedony, the microcrystalline form of quartz, characterized by parallel banding. Black Banded Onyx therefore refers most accurately to black-and-light banded...
Black Banded Onyx
Black Banded OnyxSCIENCE / MINERALOGYTrue onyx is a variety of chalcedony, the microcrystalline form of quartz, characterized by parallel banding. Black Banded Onyx therefore refers most accurately to black-and-light banded...
Bauxite
BauxiteSCIENCE / MINERALOGYBauxite is a rock and the world's principal ore of aluminum, not a single mineral species. It consists mainly of aluminum hydroxide minerals such as gibbsite, boehmite, and...
Bauxite
BauxiteSCIENCE / MINERALOGYBauxite is a rock and the world's principal ore of aluminum, not a single mineral species. It consists mainly of aluminum hydroxide minerals such as gibbsite, boehmite, and...
Barite
BariteSCIENCE / MINERALOGYBarite, also spelled baryte, is barium sulfate, BaSO₄. It crystallizes in the orthorhombic system and is notable for its unusually high specific gravity for a nonmetallic mineral. It...
Barite
BariteSCIENCE / MINERALOGYBarite, also spelled baryte, is barium sulfate, BaSO₄. It crystallizes in the orthorhombic system and is notable for its unusually high specific gravity for a nonmetallic mineral. It...
Azurite
AzuriteSCIENCE / MINERALOGYAzurite is a deep blue basic copper carbonate mineral with the formula Cu₃(CO₃)₂(OH)₂. It crystallizes in the monoclinic system and forms prismatic crystals, rosettes, nodules, stalactitic masses, and...
Azurite
AzuriteSCIENCE / MINERALOGYAzurite is a deep blue basic copper carbonate mineral with the formula Cu₃(CO₃)₂(OH)₂. It crystallizes in the monoclinic system and forms prismatic crystals, rosettes, nodules, stalactitic masses, and...
Axinite
AxiniteSCIENCE / MINERALOGYAxinite refers to a group of borosilicate minerals, including ferroaxinite, manganaxinite, magnesioaxinite, and tinzenite. They crystallize in the triclinic system and commonly form distinctive wedge- or axe-shaped crystals...
Axinite
AxiniteSCIENCE / MINERALOGYAxinite refers to a group of borosilicate minerals, including ferroaxinite, manganaxinite, magnesioaxinite, and tinzenite. They crystallize in the triclinic system and commonly form distinctive wedge- or axe-shaped crystals...
Aurichalcite
AurichalciteSCIENCE / MINERALOGYAurichalcite is a hydrated zinc-copper carbonate hydroxide mineral, commonly written (Zn,Cu)₅(CO₃)₂(OH)₆. It forms delicate pale blue, blue-green, or turquoise acicular and fibrous crystal sprays. The copper produces its...
Aurichalcite
AurichalciteSCIENCE / MINERALOGYAurichalcite is a hydrated zinc-copper carbonate hydroxide mineral, commonly written (Zn,Cu)₅(CO₃)₂(OH)₆. It forms delicate pale blue, blue-green, or turquoise acicular and fibrous crystal sprays. The copper produces its...