Indigo Blue Tourmaline 2.29 cts
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Product Details
Stone type:Tourmaline
Weight: 2.29 cts
Color: Indigo Blue
Dimension: 11.36 × 7.22 × 3.48 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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