| SAPPHIRE CRYSTAL ON MATRIX |
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| Name | Sapphire |
| Formula | Al2O3 |
| Hardness (Mohs) | 9 |
| Density | 3.99-4.10 |
| Crystal System | Trigonal |
| Colour | Blue, violet, yellow, green |
| Lustre | Vitreous |
| Associated minerals | Cordierite, spinel, zircon |
| Overall size of mineral specimen | 35 x 8 millimetres |
| Location | Pakistan |
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