Difference between revisions of "Template:Heliodor"
From The Gemology Project
Africanuck (talk | contribs) |
Africanuck (talk | contribs) |
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| Specific gravity || 2.80 | | Specific gravity || 2.80 | ||
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− | | Lustre || | + | | Lustre || Vitreous |
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| Pleochroism || edit me | | Pleochroism || edit me |
Revision as of 04:01, 2 October 2006
Heliodor | |
---|---|
Chemical composition | Beryllium Aliminium silicate |
Crystal system | Hexagonal |
Habit | edit me |
Cleavage | edit me |
Fracture | edit me |
Hardness | 7.5 |
Optic nature | edit me |
Refraction index | 1.57 - 1.58 |
Birefringence | edit me |
Dispersion | edit me |
Specific gravity | 2.80 |
Lustre | Vitreous |
Pleochroism | edit me |