Tourmaline 2.55 cts / 11 pcs website

Tourmaline 2.55 cts / 11 pcs

EB702

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Product Details

Stone type: Indigo Tourmaline 
Weight: 2.55 cts / 11 pcs
Color: Blue
Dimension: 4.61 x 4.61 x 2.75 mm
                   4.47 x 4.47 x 2.89 mm
                   4.24 x 4.24 x 2.74 mm
                   4.13 x 4.13 x 2.75 mm
                   4.18 x 4.18 x 2.77 mm
                   3.79 x 3.79 x 2.53 mm
                   3.88 x 3.88 x 2.54 mm
                   3.62 x 3.62 x 2.44 mm
                   3.76 x 3.76 x 2.51 mm
                   3.25 x 3.25 x 2.17 mm
                   3.12 x 3.12 x 2.00 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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