Properties & Information
Noble Serpentine
Noble SerpentineSCIENCE / MINERALOGYNoble Serpentine is a trade term for translucent to attractive gem-quality serpentine-group material, commonly antigorite- or lizardite-rich. It is not a separate mineral species.GEOLOGY & FORMATIONIt forms...
Noble Serpentine
Noble SerpentineSCIENCE / MINERALOGYNoble Serpentine is a trade term for translucent to attractive gem-quality serpentine-group material, commonly antigorite- or lizardite-rich. It is not a separate mineral species.GEOLOGY & FORMATIONIt forms...
Nine Dragon Jade
Nine Dragon JadeSCIENCE / MINERALOGYNine Dragon Jade is a commercial name for green, gray, cream, and dark patterned jade-like ornamental rock. The name does not establish whether material is nephrite,...
Nine Dragon Jade
Nine Dragon JadeSCIENCE / MINERALOGYNine Dragon Jade is a commercial name for green, gray, cream, and dark patterned jade-like ornamental rock. The name does not establish whether material is nephrite,...
Nguni Jasper
Nguni JasperSCIENCE / MINERALOGYNguni Jasper is a South African trade name for spotted and patterned jasper/chalcedony-rich rock whose markings resemble Nguni cattle hides. It is primarily silica-rich rock with variable...
Nguni Jasper
Nguni JasperSCIENCE / MINERALOGYNguni Jasper is a South African trade name for spotted and patterned jasper/chalcedony-rich rock whose markings resemble Nguni cattle hides. It is primarily silica-rich rock with variable...
Nevada Rose (Purple Dumortierite)
Nevada Rose (Purple Dumortierite)SCIENCE / MINERALOGYNevada Rose is a trade/locality name for purple dumortierite-bearing quartz-rich material from Nevada. Dumortierite is an aluminum borosilicate; the host may contain quartz and other...
Nevada Rose (Purple Dumortierite)
Nevada Rose (Purple Dumortierite)SCIENCE / MINERALOGYNevada Rose is a trade/locality name for purple dumortierite-bearing quartz-rich material from Nevada. Dumortierite is an aluminum borosilicate; the host may contain quartz and other...
Neptunite
NeptuniteSCIENCE / MINERALOGYNeptunite is a complex sodium-potassium iron-manganese titanium silicate mineral. It crystallizes in the monoclinic system and is known for lustrous black to reddish-black prismatic crystals.GEOLOGY & FORMATIONNeptunite forms...
Neptunite
NeptuniteSCIENCE / MINERALOGYNeptunite is a complex sodium-potassium iron-manganese titanium silicate mineral. It crystallizes in the monoclinic system and is known for lustrous black to reddish-black prismatic crystals.GEOLOGY & FORMATIONNeptunite forms...
Nellite
NelliteSCIENCE / MINERALOGYNellite is a modern trade name for blue, gold, red-brown, and gray chatoyant silica-rich material from South Africa. It commonly contains fibrous amphibole-related material, quartz/chalcedony, and iron oxides...
Nellite
NelliteSCIENCE / MINERALOGYNellite is a modern trade name for blue, gold, red-brown, and gray chatoyant silica-rich material from South Africa. It commonly contains fibrous amphibole-related material, quartz/chalcedony, and iron oxides...