Properties & Information
Dioptase
DioptaseSCIENCE / MINERALOGYDioptase is a hydrated copper cyclosilicate, Cu₆Si₆O₁₈·6H₂O, known for intensely saturated emerald-green to blue-green crystals. It crystallizes in the trigonal system and usually forms short prismatic crystals with...
Dioptase
DioptaseSCIENCE / MINERALOGYDioptase is a hydrated copper cyclosilicate, Cu₆Si₆O₁₈·6H₂O, known for intensely saturated emerald-green to blue-green crystals. It crystallizes in the trigonal system and usually forms short prismatic crystals with...
Diopside
DiopsideSCIENCE / MINERALOGYDiopside is a calcium magnesium silicate pyroxene, CaMgSi₂O₆, crystallizing in the monoclinic system. It occurs in white, gray, brown, black, and especially green varieties. Chromium-bearing gem diopside can...
Diopside
DiopsideSCIENCE / MINERALOGYDiopside is a calcium magnesium silicate pyroxene, CaMgSi₂O₆, crystallizing in the monoclinic system. It occurs in white, gray, brown, black, and especially green varieties. Chromium-bearing gem diopside can...
Dianite (Blue Jade)
Dianite (Blue Jade)SCIENCE / MINERALOGYDianite, commonly marketed as Blue Jade, is a trade name for a blue amphibole-bearing ornamental rock from the Murun Massif region of Siberia. It is not...
Dianite (Blue Jade)
Dianite (Blue Jade)SCIENCE / MINERALOGYDianite, commonly marketed as Blue Jade, is a trade name for a blue amphibole-bearing ornamental rock from the Murun Massif region of Siberia. It is not...
Desert Rose Selenite
Desert Rose SeleniteSCIENCE / MINERALOGYDesert Rose Selenite is a rosette-forming variety of gypsum, CaSO₄·2H₂O, commonly incorporating abundant sand grains. Strictly speaking, 'selenite' traditionally refers to clear crystalline gypsum, but the...
Desert Rose Selenite
Desert Rose SeleniteSCIENCE / MINERALOGYDesert Rose Selenite is a rosette-forming variety of gypsum, CaSO₄·2H₂O, commonly incorporating abundant sand grains. Strictly speaking, 'selenite' traditionally refers to clear crystalline gypsum, but the...
Desert Jasper
Desert JasperSCIENCE / MINERALOGYDesert Jasper is a trade name commonly used for colorful jasper-rich material, often overlapping commercially with Polychrome Jasper. It is composed mainly of microcrystalline quartz and chalcedony...
Desert Jasper
Desert JasperSCIENCE / MINERALOGYDesert Jasper is a trade name commonly used for colorful jasper-rich material, often overlapping commercially with Polychrome Jasper. It is composed mainly of microcrystalline quartz and chalcedony...
Dendritic Agate
Dendritic AgateSCIENCE / MINERALOGYDendritic Agate is chalcedony containing branching, tree-like inclusions, most commonly manganese and iron oxides. Despite their organic appearance, the dendrites are inorganic mineral growths and are not...
Dendritic Agate
Dendritic AgateSCIENCE / MINERALOGYDendritic Agate is chalcedony containing branching, tree-like inclusions, most commonly manganese and iron oxides. Despite their organic appearance, the dendrites are inorganic mineral growths and are not...