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Kalsilite
Vitreous white to grey feldspathoidal mineral / From Wikipedia, the free encyclopedia
Kalsilite (KAlSiO4) is a vitreous white to grey feldspathoidal mineral that is found in some potassium-rich lavas, such as from Chamengo Crater in Uganda. It has a relative hardness of 5.5.
Quick Facts General, Category ...
Kalsilite | |
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General | |
Category | Mineral |
Formula (repeating unit) | KAlSiO4 |
IMA symbol | Kls[1] |
Crystal system | Hexagonal |
Crystal class | 6 2 2 – Trapezohedral |
Space group | P6322 (no. 182) |
Identification | |
Color | Colorless, white, gray |
Tenacity | Brittle |
Mohs scale hardness | 6 |
Luster | Vitreous, greasy |
Streak | White |
Diaphaneity | Transparent, Translucent |
Specific gravity | 2.59–2.62 |
References | [2] |
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