Natural Gahnite (Spinel Group Mineral) 0.93 ct website

Natural Gahnite (Spinel Group Mineral) 0.93 ct

13184

$6,300.00

Product Details

Stone type: Natural Gahnite (Spinel Group Mineral)
Weight: 0.93 ct
Dimension: 5.72 x 5.49 x 2.86 mm
Color: Blue
Shape & Cut: Cushion , Yavorskyy cut

Treatment: Unheated and Untreated (No Indications Observed)
Refractive Index: 1.712-1.782
Hardness: 7.5-8
Specific Gravity: 3.6
Optical properties: Singly refractive
Chemical formula: MgAl₂O₄
Shipment from: Thailand
Return Policy: 3 Day Money-Back Return*
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