Difference between revisions of "Template:Diopside"
From The Gemology Project
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| Chemical composition || CaMg(SiO<sub>3</sub>)<sub>2</sub> | | Chemical composition || CaMg(SiO<sub>3</sub>)<sub>2</sub> | ||
− | Calcium | + | Calcium magnesium sillcate |
|- | |- | ||
− | | Crystal system || | + | | Crystal system || Monoclinic |
|- | |- | ||
− | | Habit || | + | | Habit || Prismatic, waterworn pebbles |
|- | |- | ||
− | | Cleavage || | + | | Cleavage || Distinct |
|- | |- | ||
− | | Fracture || | + | | Fracture || Conchoidal |
|- | |- | ||
| Hardness || 5 | | Hardness || 5 | ||
|- | |- | ||
− | | Optic nature || | + | | Optic nature || Biaxial + |
|- | |- | ||
| Refractive index || 1.67-1.70 | | Refractive index || 1.67-1.70 | ||
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| Birefringence || 0.025 | | Birefringence || 0.025 | ||
|- | |- | ||
− | | Dispersion || | + | | Dispersion || Low, 0.013 |
|- | |- | ||
| Specific gravity || 3.3 | | Specific gravity || 3.3 | ||
|- | |- | ||
− | | Lustre || | + | | Lustre || Vitreous |
|- | |- | ||
− | | Pleochroism || | + | | Pleochroism || Weak to moderate |
|} | |} |
Latest revision as of 06:46, 23 December 2006
Diopside | |
---|---|
Chemical composition | CaMg(SiO3)2
Calcium magnesium sillcate |
Crystal system | Monoclinic |
Habit | Prismatic, waterworn pebbles |
Cleavage | Distinct |
Fracture | Conchoidal |
Hardness | 5 |
Optic nature | Biaxial + |
Refractive index | 1.67-1.70 |
Birefringence | 0.025 |
Dispersion | Low, 0.013 |
Specific gravity | 3.3 |
Lustre | Vitreous |
Pleochroism | Weak to moderate |