MOONSTONE CATS EYE 9.78 CARATS ROUND SHAPE - 20282 RARE COLLECTORS GEM

MOONSTONE CATS EYE 9.78 CARATS ROUND SHAPE - 20282 RARE COLLECTORS GEM

  • $150.00
  • $105.00

Carats 9.78
Size 13 x 13 mm
Color Pale Amber
Clarity TRC/VC
Shape Round
Treatment None
Origin Sri Lanka
Location Colombo, Sri Lanka
Price $ 150.00
100% Natural - Not treated in any way.
Rare Collectors Gem
Suitable for Museums,Institutions and Students of Gemology.
Will make a Gorgeous Ring or Pendent accented with Diamonds.
Beautiful sharp Catseye effect.
Ideal for Designer Jewelry
A Gem of Lasting Beauty.

Refractive Index: 1.518 – 1.526
Hardness: 6 – 6.50
Chemical Comp: KalSI3O8
Density: 2.55 – 2.57
Crystal Group: Monoclinic

Moonstone Cats-eye Moonstone is characterized by an enchanting play of light. It owes its name to the Blue Sheen which looks different when the stone is turned and is known as 'adularescence'. - Caused by the lamellar inner construction of the gemstone. Incident light rays are refracted and scattered in the stone and a unique light effect is created. Sri Lanka is the main source country of the Blue-sheen moonstone - the most attractive type. Some Moonstones display a single ray like a chatoyant effect and are called Cats-eyes which are rare and much sought after by Collectors.


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