Tourmaline 2.76 cts website

Tourmaline 2.76 cts


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Product Details

Stone type: Tourmaline 
Weight: 2.76 cts
Dimension: 13.30 x 5.61 x 3.98 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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