宝石のデータ
| Name | Name of mineral | Mohs hardness | Refractive index | Specific gravity |
|---|---|---|---|---|
| Aquamarine | Beryl | 7.5-8 | 1.577-1.583 | 2.72 |
| Amethyst | Quartz | 7 | 1.544-1.553 | 2.66 |
| Alexandrite | Chrysoberyl | 8.5 | 1.746-1.755 | 3.73 |
| Diamond | Diamond | 10 | 2.417 | 3.52 |
| Emerald | Beryl | 7.5-8 | 1.577-1.583 | 2.72 |
| Jadeite | Jadeite | 6.5-7 | 1.666-1.680 | 3.34 |
| Lapis Lazuli | A rock composed primarily of lazurite, calcite, and pyrite. |
5-6 | 1.50-1.67 | 2.75 |
| Moonstone | Orthoclase(Feldspar) | 6-6.5 | 1.518-1.526 | 2.58 |
| Opal | pal | 5-6.5 | 1.450 | 2.15 |
| Peidot | Olivine | 6.5-7 | 1.654-1.690 | 3.34 |
| Ruby | Corundum | 9 | 1.762-1.770 | 4.00 |
| Rhodolite | Rhodolite Garnet | 7-7.5 | 1.760 | 3.84 |
| Sapphire | Corundum | 9 | 1.762-1.770 | 4.00 |
| Topaz | Topaz | 8 | 1.619-1.627 | 3.53 |
| Tanzanite | Zoisite | 6-7 | 1.691-1.700 | 3.35 |
| Tourmaline | Tourmaline | 7-7.5 | 1.624-1.644 | 3.06 |
| Turquoise | Turquoise | 5-6 | 1.610-1.650 | 2.76 |
