Indigo Tourmaline 7.91 ct / 44 pcs
16921$2,689.00
Product Details
Stone type: Indigo Tourmaline
Weight: 7.91 ct / 44 pcs
Dimension: 3.6 mm
Color: Blue
Shape & Cut: Round, 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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