Difference between revisions of "Template:Sodalite"
From The Gemology Project
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! colspan=2 | Sodalite | ! colspan=2 | Sodalite | ||
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− | | Chemical composition || Sodium | + | | Chemical composition || Sodium aluminum silicate |
|- | |- | ||
| Crystal system || [[Crystals_&_Their_Structure#Cubic_Crystal_System | Cubic]] | | Crystal system || [[Crystals_&_Their_Structure#Cubic_Crystal_System | Cubic]] | ||
|- | |- | ||
− | | Habit || | + | | Habit || Massive |
|- | |- | ||
− | | Cleavage || | + | | Cleavage || Distinct, dodecahedral |
|- | |- | ||
− | | Fracture || | + | | Fracture || Conchoidal to uneven |
|- | |- | ||
| Hardness || 5.5-6.0 | | Hardness || 5.5-6.0 | ||
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| Refractive index || 1.478-1.488 | | Refractive index || 1.478-1.488 | ||
|- | |- | ||
− | | Birefringence || | + | | Birefringence || None |
|- | |- | ||
| Specific gravity || 2.27 | | Specific gravity || 2.27 |
Latest revision as of 20:33, 23 December 2006
Sodalite | |
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Chemical composition | Sodium aluminum silicate |
Crystal system | Cubic |
Habit | Massive |
Cleavage | Distinct, dodecahedral |
Fracture | Conchoidal to uneven |
Hardness | 5.5-6.0 |
Refractive index | 1.478-1.488 |
Birefringence | None |
Specific gravity | 2.27 |
Lustre | Vitreous to greasy |