Bi-Color Tourmaline 3.88 cts

Price: $290.00 Regular price:

Stone type: Bi-Color Tourmaline
Weight:  3.88 cts
Color: Green, Yellow
Dimension: 14.28 x 6.96 x 4.27 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*