Product details
100% Natural – Not treated in any way.
Rare Collectors Gem.
Suitable for Museums,Institutions and Students of Gemology..
Clean Gems are rare..
Large Sizes are Extremely Rare!.
Among the Rarest of gemstones..
Refractive Index: 1.629 – 1.637
Hardness: 8
Chemical Comp: AL (F,OH)2SIO4
Density: 3.52 – 3.56
Crystal Group: Orthorhombic
Topaz is a fluorine aluminum silicate and comes in yellow, brown, honey, green, blue, pink and also colorless. Topaz has hardness close to sapphire, is highly lustrous, and makes beautiful jewelry.
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