#11899 Chrysoberyl 4 Ray Star 3.90cts
Collectors Gem
  Quantity : 1
  Carats : 3.90
  Size : mm 10.16 Round
  Color : Light Grey
  Clarity : Very Clean, Translucent
See Clarity Scale
  Shape : Round, Cabochon
  Treatment : None
  Origin Sri Lanka
  Location :
Colombo, Sri Lanka

SELLING PRICE US $ 85.00

 

Collectors Gem! Suitable for Museums, Institutions
and Students of Gemology

Among the Rarest of gemstones

Natural gem Free of any Treatment


More Images
R.I. : 1.741 - 1.760 Hardness : 8.5
Chemical Comp. : BeAl 2 O 4
Density : 3.73
Crystal Group : Orthorhombic

Rarely some Chrysoberyl display a 4 Rayed Star which are extremely rare - a collectors gem. Fine inclusions in the stone are responsible for this phenomenon called chatoyancy.

The incident light is reflected in such a way that that a bright strip of light appears running perpendicular to the inclusions.