Royal Indigo Tourmaline 1.65 ct
16139A$1,468.00
Product Details
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Stone type: Tourmaline no heat
Weight: 1.65 ct
Dimension: 7.91 x 5.84 x 4.43 mm
Color: Blue
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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