Tourmaline 4.50 cts / 2 pcs
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Product Details
Stone type: Tourmaline
Weight: 4.50 cts / 2 pcs
Dimension: 8.77 x 8.15 x 3.84 mm, 8.87 x 8.23 x 3.79 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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