Iolite & Umbalite Garnet 1.82 ct / 2 pcs
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Product Details
Stone type: Iolite & Umbalite Garnet no heat
Weight: 1.82 ct / 2 pcs
Color: Blue
Dimension: 6.45 x 6.45 x 4.12 mm, 6.40 x 6.40 x 3.41 mm
Shape & Cut: Round, Yavorskyy cut
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*

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