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GEMMOLOGICAL PROPERTIES
Almandine
Family: |
Garnet |
Crystal System: |
Cubic |
Specific Gravity: |
3.9 - 4.3 |
Hardness: |
7 - 7.5 |
Refractive Index: |
1.75 - 1.83 |
Chemical Composition: |
Fe3Al2(SiO4)3 |
Birefringence: |
0.000 |
Pleochroism: |
None |
Lustre: |
Vitreous |
Cleavage: |
None |
Fracture: |
Chonchoidal |
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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