House 2 Amasom 18 Bishop Edward Benson street Ogudu GRA phase 2
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Nigeria
Property | Specification |
Chemical Formula | General formula: X₃Y₂(SiO₄)₃ |
Crystal System | Isometric (Cubic) |
Hardness (Mohs) | 6.5 – 7.5 |
Specific Gravity | 3.1 – 4.3 |
Cleavage | None |
Fracture | Conchoidal to uneven |
Luster | Vitreous to resinous |
Transparency | Transparent to opaque |
Refractive Index | 1.72 – 1.94 |
Color | Red, orange, yellow, green, purple, brown, black (depending on type) |
Streak | White |
Tenacity | Brittle |
Crystal Habit | Dodecahedral or trapezohedral crystals |
Pleochroism | None |
Birefringence | None (Isotropic) |