Indigo Blue Tourmaline 2.93 cts / 2 pcs
Price:
$46.00
Regular price:
Stone type: Indigo Tourmaline
Weight: 2.93 cts / 2 pcs
Color: Blue
Dimension: 7.08 x 6.13 x 4.64 mm, 7.08 x 6.06 x 4.66 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*