TSAVORITE, a green gemstone variety of grossular garnet
VARIETY INFORMATION:
- VARIETY OF: Grossular garnet, Ca3 Al2 Si3 O12.
- USES: Gemstone.
- COLOR: various shades of green.
- INDEX OF REFRACTION: 1.73 - 1.75
- HARDNESS: 6.5 - 7
- CLEAVAGE: none
- CRYSTAL SYSTEM: isometric
- SPECIMENS
Tsavorite is one of the gem varieties of the garnet mineral called grossular. The more common gem variety of grossular is called hessonite. Gem quality tsavorite is found at Tsavo, Kenya. The green color is caused by trace amounts of vanadium. Tsavorite is not the only green garnet. Uvarovite is almost never used as a gemstone, but the green andradite garnet variety called
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