CHRYSOBERYL 4 RAY STAR DARK GRAY 4.18 CTS 19250 - AMONG THE RAREST OF GEMSTONE

CHRYSOBERYL 4 RAY STAR DARK GRAY 4.18 CTS 19250 - AMONG THE RAREST OF GEMSTONE

  • $190.00

Carats 4.18
Size 10.46 x 8.60 mm
Color Dark Grey
Clarity Opaque
Shape Oval
Treatment None
Origin Sri Lanka
Location Colombo,Sri Lanka
Price $ 190.00
Ideal Gem for your collection.
Collectors Gem! Suitable for gemological Institutions.
Beautiful Ray.
Large Sizes are Rare.
Among the Rarest of Gemstones.
Natural gem Free of any Treatment.

R.I. :1.741 - 1.760 Hardness :8.5
Chemical Comp. :BeAl2O4
Density : 3.73
Crystal Group :Orthorhombic

Chrysoberyl 4 Ray Star rarely some gems 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.

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