Green Tourmaline 4.73 ct website

Green Tourmaline 4.73 ct

190417

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Product Details

Stone type: Green Tourmaline
Weight: 4.73 ct
Color: Green
Dimension: 13.93 x 6.74 x 5.22 mm
Shape & Cut: Octagonal, 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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