A hard, pale green or white mineral which is one of the forms of jade. It is a silicate of calcium and magnesium. Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole
Nephrite (= jade) fibrous variety of actinolite. Nephrite information formula: ca2(mg, fe)5(si4o11)2(oh)2 crystallography: monoclinic. Masses of fibrous crystals, densely packed and very tough. Colors: creamy beige (mutton fat jade) when rich in mg. Green colors, due to fe. Brown (oxidized fe); sometimes a surface skin is dark brown. Also yellowish, grayish brown, yellow-green, black. Luster: vitreous to greasy; dull. Hardness: 6-6.5. Density: 2....
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A hard, pale green or white mineral which is one of the forms of jade. It is a silicate of calcium and magnesium. Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole.
A hard, pale green or white mineral which is one of the forms of jade. It is a silicate of calcium and magnesium. Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole
A hard, pale green or white mineral which is one of the forms of jade. It is a silicate of calcium and magnesium. Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole
