| Gemstone Chart |
 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 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 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.
|  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 Malaia Garnet
Malaia garnet is a mixture of almandine, pyrope, and spessartine. It has remained the preserve of collectors for the 2 decades since it was discovered, mainly due to its extreme rarity.Tanzania is the known source for this lovely gemstone.
Color: orangey pink, champagne, orange brown, copper-pink.
Categories: semi-precious stone
Chemical Composition: [Mg3 + Mn3]AL2(SIO4)
Crystal Group: Cubic
Refractive Index: 1.73 - 1.81
Hardness: 7 - 7.5
Density: 3.65 - 4.20
Occurrence: Kenya, Tanzania, Madagascar
|  Natural Tsavorite
Tsavorite is the name given to the rich green variety of grossular garnet. Its home is the East-African bushland along the border between Kenya and Tanzania. The shining green tsavorite is a young gemstone discovered in 1967 with a very long geological history.
Color: Green
Categories: semi-precious stone
Chemical Composition: Ca3Al2(SiO4)3
Crystal Group: Cubic
Refractive Index: 1.735 (+.015, -.035)
Hardness: 7
Density: 3.61(-.27, +.12)
Occurrence: Kenya, Tanzania, Madagascar
|  Natural Hessonite
Hessonite is one of the gem varieties of the garnet mineral, grossular. Hessonite is usually cinnamon brown and has been called "cinnamon stone". Hessonite can also be orange; this color is becoming common on the gem markets.
Color: Brownish-orange, brownish yellow, aurora red
Categories: semi-precious stone
Chemical Composition: Ca3Al2(SIO4)3
Crystal Group: Cubic
Refractive Index: 1.72-1.74
Hardness: 7.25
Density: 3.65
Occurrence: Sri Lanka, Mexico, Brazil, Canada, Madagascar
|  Natural Sphalerite
Sphalerite is one of the very few minerals that has a total of six directions of cleavage, and occurs in many different colors. It is an unusual rare gemstone which is craved for by people as it possesses more brilliance than diamonds.
Color: Orange, yellow, brown, green
Categories: semi-precious stone
Chemical Composition: ZnS
Crystal Group: Cubic
Refractive Index: 2.37
Hardness: 3.5-4
Density: 4.05
Occurrence: Spain, Mexico
|
|
|Register|Sign in|Customization
+'/&media=https://www.etoolsage.com/../images/eTools.gif'+'&description='+encodeURIComponent(document.title),'_blank','toolbar=yes, location=yes, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=no, copyhistory=yes, width=600, height=450,top=100,left=350');void(0) "Pinterest")
