Indigo Blue Tourmaline 1.81 cts
181518$860.00
Product Details
Stone type: Tourmaline
Weight: 1.81 cts
Color: Indigo Blue
Dimension: 8.25 x 6.25 x 4.56 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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