Product details
100% Natural – Not treated in any way.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Beautiful sharp Star effect.
Large Sizes are Extremely Rare!
Among the Rarest of gemstones.
Asterism (or Ray Effect) is best seen in Bright Sunlight or by focussing a Flashlight on the face of the gem.
Refractive Index: 1.718 (-.006, +.044)
Hardness: 8
Chemical Comp: MgAl2O4
Density: 3.60 (-.03, +.30)
Crystal Group: Cubic
Spinel Stars are considered rare and are collector’s gems. They come either in 4 or 6 Rayed Stars




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