CHRYSOBERYL 4 RAY STAR DEEP GRAY 3.94 CTS 18512 - RARE COLLECTORS GEM

CHRYSOBERYL 4 RAY STAR DEEP GRAY 3.94 CTS 18512 - RARE COLLECTORS GEM

  • $160.00

Carats 3.94
Size 10.3 x 7.6 x 5.3 mm
Color Medium Brown
Clarity Opaque
Shape Oval
Treatment None
Origin Sri Lanka
Location Colombo,Sri Lanka
Price $ 160.00
100% Natural - Not treated in any way.
Beautiful Center-stone for an engagement Ring.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Star effect.
A Gem of Lasting Beauty.
Asterism (or Ray Effect) is best seen in Bright Sunlight or by focusing a Flashlight on the face of the gem.

Refractive Index : 1.741 - 1.760
Hardness : 8.5
Chemical Comp : BeAl2O4
Density : 3.73
Crystal Group : Orthorhombic

Rarely some gems display a 4 Rayed Star which are extremely rare a collector’s 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.


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