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GEMMOLOGICAL PROPERTIES
Orthosclase
Family: |
Tectosilicate Mineral |
Crystal System: |
Monoclinic |
Specific Gravity: |
2.55 - 2.63 |
Hardness: |
6 |
Refrative Index: |
1.518 - 1.525 |
Chemical Composition: |
KAlSi3O8 |
Birefringence: |
0.0050-0.0060 |
Lustre: |
Vitreous |
Fracture: |
Imperfect |
Cleavage: |
001 - Perfect; |
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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