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GEMMOLOGICAL PROPERTIES
Jadeite
Family: |
Jade (Pyroxene) |
Crystal System: |
Monoclinic |
Specific Gravity: |
3.25 - 3.35 |
Hardness: |
6.5 - 7 |
Refractive Index: |
1.66 - 1.68 |
Chemical Composition: |
NaAlSi2O6 |
Birefringence: |
0.013 - 0.020 |
Pleochroism: |
None |
Lustre: |
Vitreous |
Fracture: |
Choncoidal |
Cleavage: |
None |
This gemmological data has been provided by an external consultant. If you notice any errors or omissions - or if you would like to offer a suggestion to improve this service - please contact: webmaster@ajtd.com.au |
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