Indigo Tourmaline 1.09 cts / 2 pcs
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Product Details
Stone type: Indigo Tourmaline
Weight: 1.09 cts / 2 pcs
Color: Blue
Dimension: 5.01 x 4.38 x 3.35 mm , 4.98 x 4.39 x 3.18 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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