Indigo Blue Tourmaline 0.32 ct / 2 pcs
EB1217Sold Out
Product Details
Stone type: Tourmaline no heat
Weight: 0.32 ct / 2 pcs
Color: Blue
Dimension: 3.39 x 3.39 x 2.44 mm , 3.35 x 3.35 x 2.40 mm
Shape & Cut: Round, Yavorskyy cut
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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