Certified Spinel Greenish Gray 4.16 Carats Sri Lanka Natural Loose Gemstone

  
CERTIFIED SPINEL GREENISH GRAY 4.16 CARATS - 20397 BEAUTIFUL GEM. 10.86 x 7.88 x 5.80 mm. 100% Natural - Not treated in any way. Will make a Gorgeous Ring or Pendent accented with Diamonds.

A Gem of Lasting Beauty. Large Sizes are Extremely Rare! Refractive Index: 1.718.006, +.

044 Hardness: 8 Chemical Comp: MgAl2O4 Density: 3.60.03, +. 30 Crystal Group: Cubic Spinel: Many famous rubies in crown jewels around the world are actually spinels. The most famous is the Black Prince's ruby, and the The Timor Ruby, Spinel was recognized as a distinct gem variety only in the late 19th century through hardness and X-ray tests. Until then were mixed with Rubies due to similarity in color and brilliance. Spectacular colors are a hot pink and Red.

Also comes in a range of gorgeous pastel shades of pink blue and purple. Cobalt Spinels, are very rare, found almost exclusively in Sri Lanka. Fine Red spinels are now rarer than Rubies. The item "CERTIFIED SPINEL GREENISH GRAY 4.16 CARATS SRI LANKA NATURAL LOOSE GEMSTONE" is in sale since Monday, January 18, 2021.

This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Spinel". The seller is "cresla" and is located in Colombo.

This item can be shipped worldwide.

1. Shape: Oval
2. Country of Origin: Sri Lanka
3. Country/Region of Manufacture: Sri Lanka
4. Certification: CGJ
5. Natural/Lab-Created: Natural
6. Depth: 5.80 mm
7. Length: 10.86 mm
8. Width: 7.88 mm
9. Cut Grade: Good
10. Variety/Type: Grey
11. Color: Greenish Gray
12. Transparency: Transparent
13. Treatment: None (No Enhancement)
14. Brand: Cresla
15. Total Carat Weight (TCW): 4.16
16. Gemstone: Spinel