Difference between revisions of "Template:Diopside"
From The Gemology Project
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| Optic nature || biaxial + | | Optic nature || biaxial + | ||
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− | | | + | | Refraction index || 1.67-1.70 |
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| Birefringence || 0.025 | | Birefringence || 0.025 |
Revision as of 21:12, 4 October 2006
Diopside | |
---|---|
Chemical composition | CaMg(SiO3)2
Calcium Magnesium Sillicate |
Crystal system | monoclinic |
Habit | prismatic, waterworn pebbles |
Cleavage | distinct |
Fracture | conchoidal |
Hardness | 5 |
Optic nature | biaxial + |
Refraction index | 1.67-1.70 |
Birefringence | 0.025 |
Dispersion | low, 0.013 |
Specific gravity | 3.3 |
Lustre | vitreous |
Pleochroism | weak to moderate |