Front view photo of cushion tourmaline 0.57 ct match pair
Back side picture of cushion tourmaline 0.57 ct pair
Natural tourmaline 0.57 ct

Indigo Tourmaline 0.57 ct / 2 pcs

$138.00
$138.00

Stone type: Indigo Tourmaline 
Weight: 0.57 ct / 2 pcs
Color: Blue
Dimension: 4.17 x 3.75 x 2.69 mm , 4.14 x 3.72 x 2.41 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*