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Description
Group: Corundum
Hardness: 9
Specific Gravity: 4,00
Crystal System: trigonal
Index of Refraction : 1,758-1,765
Transparency: from transparent to opaque
Ruby is composed of aluminum, chromium, and iron. Color ranges are in a variety of shades of red Burma is the source of the finest variety. Other mines are located in Thailand, Sri Lanka, Madagascar and Tanzania .One of the main characheristics of Corundum is the optical effect called asterism, a star effect due to rutile needle inclusions arranged in a star pattern
Hardness: 9
Specific Gravity: 4,00
Crystal System: trigonal
Index of Refraction : 1,758-1,765
Transparency: from transparent to opaque
Ruby is composed of aluminum, chromium, and iron. Color ranges are in a variety of shades of red Burma is the source of the finest variety. Other mines are located in Thailand, Sri Lanka, Madagascar and Tanzania .One of the main characheristics of Corundum is the optical effect called asterism, a star effect due to rutile needle inclusions arranged in a star pattern
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Ruby