72-79gr 1pc cobalt buy blue spinel #114 djeva lab grown faceting rough stone

Created Spinel
Lot R1160
 
Color: Cobalt Blue #114 Djeva
Type: Full Boule
Size: 79-83x18-19mm
Weight: 72-79gr
Quantity: 1 pc
Inclusions: This material may have some small cracks on the shell.
 
 
Each lot includes 1 piece with approximate weight 72-79 grams.
Please note that only buy rough stone is included in the lot.
The photo of the faceted stone is only used to demonstrate the true color of the material after cutting.
 
 
Mineral: Spinel
Chemical Formula: MgAl2O4
Crystal System: Cubic
Hardness (Mohs): 8
Refractive Index: 1.72
Density, g/cm3: 3.6
Dispersion: 0.026
Growth Method: Flame Fusion (Verneuil)