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Name: |
ilvaite |
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Class: |
Silicates |
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Chemistry: |
CaFe2+3 (SiO4)2 (OH) |
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Color(s): |
dark brown, brownish-blackish, black streak; brownish - back |
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Hardness: |
5.5 - 6.0 |
SpecGrav: |
3.95-4.05 |
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Fracture: |
uneven |
Cleavage: |
distinct two directions |
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Crystal: |
Orthorhombic - Dipyramidal |
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Envronment: |
occurs with other ore bodies especially cpper and zinc deposits |
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Association: |
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Locals: |
| Russia | Bulgaria | England | Germany | Al., Co., Id., R.I., USA | |
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Misc: |
Ilvaite is derive from the Latin name for the island of Elba. |
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Photos |
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1.) Dalnigorsk, Russia |
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