Specific Gravities of Gem-Stones | Opal | 2·15 | | Moonstone | 2·57 | | Iolite | 2·63 | | Quartz | 2·66 | | Beryl | 2·74 | | Turquoise | 2·82 | | Beryllonite | 2·84 | | Phenakite | 2·99 | | Euclase | 3·07 | | Tourmaline | 3·10 | | Enstatite | 3·10 | | Andalusite | 3·18 | | Spodumene | 3·18 | | Apatite | 3·20 | | Axinite | 3·28 | | Diopside | 3·29 | | Epidote | 3·37 | | Peridot | 3·40 | | Idocrase | 3·40 | | Sphene | 3·40 | | Diamond | 3·52 | | Topaz | 3·53 | | Spinel | 3·60 | | Kyanite | 3·61 | | Garnet (Hessonite) | 3·61 | | Benitoite | 3·64 | | Chrysoberyl | 3·73 | | Garnet (Pyrope) | 3·78 | | Garnet (Demantoid) | 3·84 | | Corundum | 4·03 | | Garnet (Almandine) | 4·05 | | Zircon (a) | 4·20 | | Zircon (b) | 4·69 |
|
|
