Grey Spinel 16.15 cts / 59 pcsStone type: Spinel Weight: 16. 15 cts 59 pcs Dimension: 4. 0 mm Color: Grey Shape & Cut: Round, 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: MgAlO Shipment from: Thailand Return Policy: 3 Day Money Back Return* A set of 59 round brilliant cut grey spinel arranged in a harmonious circular

A set of 7 Natural Stones featuring all colors of the rainbow

What makes this ruby particularly valuable is its complete lack of heat treatment

these spinel are a testament to natural beauty and artisanal craftsmanship

Dimension: 25

each sculpted into octagonal cuts

21 cts / 2 pcs

13 cts / 2 pcs

this 140 piece lot is a striking addition to any fine gemstone inventory

A set of 59 round brilliant cut grey spinel arranged in a harmonious circular formation

73 ct / 2 pcs

You can now feast your eyes every time you collect precious and colorful natural gemstones in our state of the art Original Yavorskyy Box

displayed at its finest