Blue Tourmaline 4.14 cts
22655$190.00
Product Details
Stone type: Tourmaline
Weight: 4.14 cts
Color: Blue
Dimension: 11.06 x 7.75 x 4.17 mm
Shape & Cut: Oval, 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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