Goshenite
Goshenite is the white to colorless variety of Beryl. Beryl is best known for its gem varieties Emerald and Aquamarine, as well as the lesser known Heliodor and Morganite, but the variety Goshenite less frequently used as a gemstone being that it lacks the color appeal of the other varieties.
| Chemical Formula | Be3Al2SiO6 |
| Color | White, Colorless |
| Hardness | 7.5Â -Â 8.0 |
| Crystal System | Hexagonal |
| Refractive Index | 1.57Â -Â 1.58 |
| SG | 2.6Â -Â 2.8 |
| Transparency | Transparent |
| Double Refraction | .006 |
| Luster | Vitreous |
| Cleavage | 3,1 - basal |
| Mineral Class | Beryl |
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