Difference between revisions of "Template:Enstatite"
From The Gemology Project
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| Chemical composition || (Mg,Fe)SiO<sub>3</sub> | | Chemical composition || (Mg,Fe)SiO<sub>3</sub> | ||
| − | Magnesium | + | Magnesium silicate |
|- | |- | ||
| − | | Crystal system || | + | | Crystal system || Orthorhombic |
|- | |- | ||
| − | | Habit || | + | | Habit || Crystals and waterworn pebbles |
|- | |- | ||
| − | | Cleavage || | + | | Cleavage || Distinct |
|- | |- | ||
| − | | Fracture || | + | | Fracture || Sub-conchoidal |
|- | |- | ||
| Hardness || 5.5 | | Hardness || 5.5 | ||
|- | |- | ||
| − | | Optic nature || | + | | Optic nature || Biaxial + |
|- | |- | ||
| − | | | + | | Refractive index || 1.65-1.68 |
|- | |- | ||
| Birefringence || 0.010 | | Birefringence || 0.010 | ||
|- | |- | ||
| − | | Dispersion || | + | | Dispersion || Low, 0.010 |
|- | |- | ||
| Specific gravity || 3.3 | | Specific gravity || 3.3 | ||
|- | |- | ||
| − | | Lustre || | + | | Lustre || Vitreous |
|- | |- | ||
| − | | Pleochroism || | + | | Pleochroism || Strong to moderate |
| + | |||
| + | |} | ||
Latest revision as of 12:46, 23 December 2006
| Enstatite | |
|---|---|
| Chemical composition | (Mg,Fe)SiO3
Magnesium silicate |
| Crystal system | Orthorhombic |
| Habit | Crystals and waterworn pebbles |
| Cleavage | Distinct |
| Fracture | Sub-conchoidal |
| Hardness | 5.5 |
| Optic nature | Biaxial + |
| Refractive index | 1.65-1.68 |
| Birefringence | 0.010 |
| Dispersion | Low, 0.010 |
| Specific gravity | 3.3 |
| Lustre | Vitreous |
| Pleochroism | Strong to moderate |
