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GEMMOLOGICAL PROPERTIES
Peridot
Family: |
Olivine |
Crystal System: |
Orthorhombic |
Specific Gravity: |
3.2-4.3 |
Hardness: |
6.5 - 7 |
Refrative Index: |
1.64-1.70 |
Chemical Composition: |
(Mg, Fe)2SiO4 |
Birefringence: |
+0.036 |
Pleochroism: |
Slight: Colourless to Light Green |
Lustre: |
Vitreous (Glassy) |
Fracture: |
Conchoidal |
Cleavage: |
Imperfect |
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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