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Spinel Stone; prices, colors, ruby comparison & more!
Spinel Gemstones: Hardness, colors, prices and heat treatments
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"Medium" Size Thai Black Spinel. (10 to 25 gram)
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Beautiful Natural Black Spinel Loose Gemstone 193.6 Ct
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Spinel Gemstone | Identification | Crystal Healing | Value
Black Spinel - 6.79 carats
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