Indigo Blue Tourmaline 2.40 cts website

Indigo Blue Tourmaline 2.40 cts

16201

$8,640.00

Product Details

Stone type: Tourmaline
Weight:  2.40 cts
Color: Indigo Blue
Dimension: 8.53 x 7.86 x 5.49 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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