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GEMMOLOGICAL PROPERTIES
Spinel
Family: |
Spinel |
Crystal System: |
Isometric (Cubic) |
Specific Gravity: |
3.54 - 3.63 |
Hardness: |
8 |
Refrative Index: |
1.712-1.762 |
Chemical Composition: |
MgAl2O4 |
Birefringence: |
None |
Pleochroism: |
None |
Lustre: |
Vitreous |
Fracture: |
Uneven, Chonchoidal |
Cleavage: |
Indistict |
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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