Grey Spinel 0.80 ct

Stone type: Spinel
Weight: 0.80 ct
Color: Grey
Dimension: 6.01 x 4.93 x 3.54 mm
Shape & Cut: Oval, Yavorskyy cut

Treatment: Unheated and Untreated (No Indications Observed)
Refractive Index: 1.770-1.820
Hardness: 7-7.5
Specific Gravity: 3.6-4.2
Optical properties: Singly refractive
Chemical formula: x3z2(SiO4)3
Shipment from: Thailand
Return Policy: 3 Day Money-Back Return*