Tourmaline 0.29 ct
EB2436Product Details
Stone type: Tourmaline
Weight: 0.29 ct
Dimension: 4.63 x 4.10 x 1.95 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*
Follow Us