Nephrite Jade Classification
Light To Dark Grayish Green, Light To Dark Yellow To Brown, White, Light To Dark Gray, Black; Often Mottled; Light To Dark Pinkish Lavender If Dyed
New Zealand Greenstone, New Zealand Jade, Mutton Fat, Chicken Bone, Tomb Jade Or Grave Jade, Polar Jade
appearance, RI and SG. Scratch test can be used but is destructive.
Commonly has a 1.61 spot reading. New Zealand greenstone, New Zealand jade or spinach jade: dark grayish greenMutton fat: translucent white to very light yellowChicken bone: opaque white to very light brown or grayTomb or grave jade: ancient burial pieces with surface material altered to a brown or a white chalky looking texture. Polar jade: bright green