Tourmaline Crystal 20.56 cts
$1,800.00
Product Details
Stone type: Tourmaline Crystal
Weight: 20.56 cts
Dimension: 34.30 x 7.50 x 7.60 mm
Color: Green
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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