plaats van herkomst
Guangdong, China
naam van het merk
ATTA GEMS
modelnummer
alexandrite stone
edelsteen soort
Synthetic (lab created)
edelsteen kleur
color change
edelsteen gewicht
1.5 Carat
behandelingen toegepast
Heat
speciale optische effecten
Kleurverandering
chemical reaction
BeAl2O4
Hardness
8-8.5 Moh's Scale
crystal system
orthorhombic system
Optical property
Biaxial crystal, photic
Refractive index
1.745-1.755
Birefringence
0.008-0.010
Polished surface
Bright glass luster to sub - diamond luster
Recognition
Emerald by day, ruby by night
Advantage
Support no customs declaration, customer country clearance