23 Carats Natural Fancy Sapphire Loose Gemstones gemstones Hydrothermal Activity: Emeralds crystallize when

Hydrothermal Activity: Emeralds crystallize when beryllium-rich fluids interact with chromium and vanadium in metamorphic rocks under intense heat and pressure

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with some pieces between 1

Shape : Rough

Swat Valley has been producing some of nice emeralds

23 Carats Natural Fancy Sapphire Loose Gemstones gemstones Hydrothermal Activity: Emeralds crystallize whenKey Features Stone Name: Fancy Sapphire Total Weight: 23 Carat Cut : round , oval , pear Sizes : under 1 carat Color: blue , orange , green , pink , red , purple , yellow Treatment: None (Untreated) Origin: Tanzania , Srilanka