Blue Tourmaline 0.72 ct website

Blue Tourmaline 0.72 ct


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Product Details

Stone type: Indigo Tourmaline 
Weight: 0.72 ct
Color: Indigo Blue
Dimension: 5.66 x 4.68 x 3.58 mm
Shape & Cut: Cushion, Yavorskyy cut 

Treatment: Unheated and Untreated (No Indications Observed)
Refractive Index: 1.618-1.643
Hardness: 7-7.5
Specific Gravity: 3.1
Optical properties: Doubly refractive
Chemical formula: Complex Boron Silicate
Shipment from: Thailand
Return Policy: 3 Day Money-Back Return*

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