Nephrite
Precious Gemstone
What is Nephrite?
Nephrite is a silicate mineral belonging to the amphibole group. It is a variety of jade, prized for its toughness and durability. It is typically found in massive form, exhibiting a fibrous or felted structure. Nephrite is known for its use in carvings, jewelry, and ornamental objects.
Optical Properties
- Refractive Index
- 1.600-1.630
- Birefringence
- 0.018
- Pleochroism
- Weak
- Optical Character
- biaxial (-)
- Dispersion
- 0.012
Nephrite Market Value Calculator
Estimate the market value of Nephrite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Nephrite Localities Map
See where Nephrite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
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Quick Facts
Physical Properties
- Color
- Green, white, gray, brown, black, yellow, and various shades in between. The color is often mottled or streaked.
- Hardness (Mohs)
- 6.0 - 6.5
- Density
- 2.90 - 3.03 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Ca2(Mg, Fe)5Si8O22(OH)2
- Elements
- Calcium, Magnesium, Iron, Silicon, Oxygen, Hydrogen
Also Known As
JadeChinese JadeTrue Jade
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