Indigo Tourmaline 0.57 ct / 2 pcs website

Indigo Tourmaline 0.57 ct / 2 pcs

EB3193

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Product Details

Stone type: Indigo Tourmaline 
Weight: 0.57 ct / 2 pcs
Color: Blue
Dimension: 4.31 x 4.31 x 2.72 mm , 4.33 x 4.33 x 2.90 mm
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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