Royal Indigo Tourmaline 2.75 cts / 2 pcs website

Royal Indigo Tourmaline 2.75 cts / 2 pcs

16256

$5,445.00

Product Details

Stone type: Tourmaline no heat
Weight: 2.75 cts / 2 pcs
Dimension: 6.94 x 6.01 x 4.54 mm, 6.95 x 6.00 x 4.51 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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