Lab Grown Alexandrite (Chrysoberyl)
Lot R1281
Please note that only rough stone is included in the lot.
The photo of the faceted stone is only used to demonstrate the approximate color of the material after cutting.
Color: Color change Blue/Green/Purple/Red
Type: Rough
Piece №1
Size: 12.65ct
Weight: 16x7x6mm
Piece №2
Size: 12.8ct
Weight: 12x9x8mm
Piece №3
Size: 15ct
Weight: 13x9x7mm
Piece №4
Size: 16.85ct
Weight: 14x11x8mm
Piece №5
Size: 17.7ct
Weight: 13x11x10mm
Mineral: Chrysoberyl
Chemical Formula: BeAl2O4
Crystal System: Orthorhombic
Hardness (Mohs): 8.5
Refractive Index: 1.745-1.754
Density, g/cm3: 3.7
Growth Method: Czochralski
Pleochroism: X = Red, Y = Yellow-orange, Z = Emerald green
