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Leifite (Na2(Si,Al,Be)7(O,OH,F)14) NS2864.04 |
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![Image: NS2864.04.jpg](../minerals_jpg/NS2864.04.jpg) |
Crystal system |
hexagonal. |
Habit |
usually found as fibrous or acicular in habit and often striated; it can also be found as simple hexagonal crystals. |
Cleavage |
distinct. |
Fracture |
none. |
Hardness |
6 |
Specific Gravity |
2.5 |
Color |
colorless to white. |
Luster |
transparent with a vitreous to silky luster. |
Streak |
none. |
Distinguishing features |
heavy striations on the white or colorless hexagonal prisms are typical. |
Uses |
of interest to collectors and researchers.
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