Petalite ore/Lithium Ore Powder - product
£255,255.00
Spodumene - product
£255,255.00
Spodumene
Chemical Properties
| Chemical Classification | Inosilicate |
| Formula | LiAl(SiO3)2 |
| Common Impurities | Fe,Mn,Mg,Ca,Na,K,H2O |
Description
Spodumene Physical Properties
| Crystal habit | prismatic, generally flattened and elongated, striated parallel to {100}, commonly massive |
| Color | Colourless, yellow, light green, emerald-green, pink to violet, purple, white, gray |
| Streak | White |
| Luster | Vitreous, Dull |
| Cleavage | Perfect |
| Diaphaneity | Transparent, Translucent |
| Mohs Hardness | 6,5 ā 7 |
| Crystal System | Monoclinic |
| Tenacity | Brittle |
| Density | 3.03ā3.23 |
| Fracture | Uneven to subconchoidal |
| Other characteristics | Tenebrescence, chatoyancy, kunzite often fluorescent under UV (Wikipedia) |
| Fusibility | 3.5 |
| Solubility | Insoluble |
Spodumene Optical Properties
| Color / Pleochroism | Strong in kunzite: Ī±-purple, Ī³-colorless; hiddenite: Ī±-green, Ī³-colorless |
| 2V: | Measured: 54Ā° to 69Ā°, Calculated: 88Ā° |
| RI values: | nĪ± = 1.648 ā 1.661 nĪ² = 1.655 ā 1.670 nĪ³ = 1.662 ā 1.679 |
| Twinning | Common on {100} |
| Optic Sign | Biaxial (+) |
| Birefringence | Ī“ = 0.014 ā 0.018 |
| Relief | Moderate |
| Dispersion: | weak |
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