Indigo Tourmaline 5.52 cts / 25 pcs
16923$4,802.00
Product Details
Stone type: Indigo Tourmaline
Weight: 5.52 cts / 25 pcs
Dimension: 4.0 mm
Color: Blue
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*
Follow Us