Lot CS666
Color: Black
Shape: Round
Size: 5 mm
Weight: 0.57-0.61 ct
Each lot includes 1 piece with approximate weight 0.57-0.61 grams.
Mineral: Rutile
Chemical Formula: TiO2
Crystal System: Tetragonal
Hardness (Mohs): 6.5
Refractive Index: 2.61-2.9
Density, g/cm3: 4.27
Dispersion: 0.28
Birefringence: 0.296
