Kornerupine [ (Mg,FeII,Al,☐)10(Si,Al,B)5O21(OH,F)2 ]
Material properties
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| Crystal symmetry | Orthorhombic, Point group mmm, Space group Cmcm (#63) |
| Tags | Hydroxide , Mineral, Aluminosilicate |
Composition
| Element | Atoms |
|---|---|
| H | ~1 |
| F | ~1 |
| Mg | ~2.5 |
| Fe | ~2.5 |
| ☐ | ~2.5 |
| B | ~1.667 |
| Al | ~4.167 |
| Si | ~1.667 |
| O | ~22 |
Specimens of Kornerupine
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