“Cayo Coco” Paraiba Tourmaline 1.27 cts / 2 pcs website

“Cayo Coco” Paraiba Tourmaline 1.27 cts / 2 pcs


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Product Details

Stone type: Paraiba Tourmaline
Weight: 1.27 cts / 2 pcs
Color: Greenish-blue
Dimension: 6.38 x 4.50 x 3.42 mm, 6.35 x 4.50 x 3.21 mm
Shape & Cut: Oval, Original cut
Certified: GRS

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*

***What has struck me from the very beginning is the sense of magic surrounding this noble gem.***
(Extract from the book "Gemstones" by Vladyslav Yavorskyy)

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