Paraiba Tourmaline 2.80 cts
22277Product Details
Stone type: Paraiba Tourmaline
Weight: 2.80 cts
Color: Greenish-blue
Dimension: 9.55 x 7.55 x 4.81 mm
Shape & Cut: Oval, Yavorskyy cut
Certified: GIA
Treatment: Conventionally heated at low temperature
Refractive Index: 1.618-1.643
Hardness: 7-7.5
Specific Gravity: 3.1
Optical properties: Doubly refractive
Chemical formula: Complex Boron Silicate, Copper-bearing
Shipment from: Thailand
Return Policy: 3 Day Money-Back Return*

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