Tourmaline 3.19 ct / 2 pcs
EB2891$79.00
Product Details
Stone type:Tourmaline
Weight: 3.19 ct / 2 pcs
Color: Green
Dimension: 7.43 x 6.40 x 4.47 mm, 7.42 x 6.44 x 4.50 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*

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