| Gemstone Chart |
 Natural Andradite
Andradite is a Garnet, belonging to the Garnet group. It has the most powerful luster of any garnet, and this makes it a reputable gem.
Color: brown, greenish brown, yellowish green, green
Categories: semi-precious stone
Chemical Composition: Ca3Fe2(SiO4)3
Crystal Group: Cubic
Refractive Index: 3.82 ¨C 3.85
Hardness: 6.5
Density: 1.888 ¨C 1.889
Occurrence: Mexico, Korea, Namibia, Russia, Iran, South Africa
|  Natural Demantoid
The demantoid is one of the most brilliant gemstones that exist, yet until recently it was little known except among collectors and gemstone lovers.
Color: Green, yellow green.
Categories: semi-precious stone
Chemical Composition: Ca3Fe2(SiO4)3
Crystal Group: Cubic
Refractive Index: 1.888 - 1.889
Hardness: 6.5
Density: 3.82 - 3.50
Occurrence: Russia, Namibia, Iran, South Africa
|  Natural Fluorite
Fluorite has a wide range of colors including yellow, blue, pink purple and green. It is an interesting and beautiful gemstone.
Color: Colorless, yellow, brown, green, blue, violet, pink
Categories: semi-precious stone
Chemical Composition: CaF2
Crystal Group: Cubic
Refractive Index: 1.43
Hardness: 4
Density: 3.18
Occurrence: Namibia, U.K., Switzerland, Nigeria, Czechoslovakia, Canada, Poland, Italy, Norway, Germany, U.S.A.
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