| Gemstone Chart |
 Natural Color Change Garnet
Color Change Garnet is one of the most rare, interesting, and phenomenal of all gems.Color Change Garnet gem stone rough from Madagascar Gems is fine quality.
Color: Color changing from green or lavender to red.
Categories: semi-precious stone
Crystal Group: Cubic
Refractive Index: Nesosilicate
Hardness: 7-7.5
Density: 3.8
Occurrence: East Africa, Madagascar, Sri Lanka
|  Natural Grossularite
A member of the garnet group, grossularite is found in a variety of colors including, yellow, brown, white, colorless, green, violet-red, and orangey red.
Color: Brown, yellow, green
Categories: semi-precious stone
Chemical Composition: Ca3Al2(SiO4)3
Crystal Group: Cubic
Refractive Index: 1.72-1.748
Hardness: 7.25
Density: 3.65
Occurrence: Canada, East Africa, Pakistan, New Zealand, Ceylon, South Africa, U.S.A.
|  Natural Rhodolite
Rhodolite is a beautiful pink to violetish red garnet which was named after the rhododendron flower. Commercially rhodolite is one of the most important garnets. Rhodolite is quite available in small sizes which are relatively low in price. Very fine large rhodolite garnets are rare and are moderate in price.
Color: red, purple-red
Categories: semi-precious stone
Chemical Composition: Al2(SiO4)3
Crystal Group: Cubic
Refractive Index: 1.75 - 1.77
Hardness: 7.25
Density: 3.74 - 3.94
Occurrence: Brazil, East Africa, Ceylon, India, Madagascar, Zimbabwe
|  Natural Spessartite
The Spessartite is one of the most popular of all garnets. It is highly desired by collectors, jewelry designers and gem lovers.The sources for gem quality spessartine are Sri Lanka and Brazil.
Color: Orange, yellow, brown
Categories: semi-precious stone
Chemical Composition: Mn3Al2(SiO4)3
Crystal Group: Cubic
Refractive Index: 1.79-1.81
Hardness: 7.25
Density: 4.14-4.20
Occurrence: Germany, Ceylon, Burma, Nigeria, Maevatanana-Madagascar, Isoanala-Madagascar, East Africa.
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