SPINEL PURPLE 2.87 CTS 19237. 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.
Brand: Cresla |
Color: Deep Purple |
Country of Origin: Sri Lanka |
Country/Region of Manufacture: Sri Lanka |
Cut Grade: Good |
Gemstone Type: Spinel |
Length: 8.8 mm |
Natural/Lab-Created: Natural |
Shape: Round |
Total Carat Weight (TCW): 2.87 |
Transparency: Transparent |
Treatment: None (No Enhancement) |
Variety/Type: Purple |
Width: 5.5 mm |