Chinese
Name:金綠寶石、貓眼石
English Name:Chrysoberyl
Other Name:Cat's-eye Stone (Chrysoberyl with Cat's eye effect)
Optical Effect:Milk & Honey Effect
Chemical Composition:BeAl2O4 (Beryllium Aluminum Oxide)
Crystal System:Orthorhombic
Hardness:8.5
SG:3.70 - 3.78
RI:1.746 - 1.763 (Double refraction
+0.007 to +0.011)
Related Chakra:Different colour
related to different chakra
Birthstone:June (Alexandrite)
Locality:Brazil, Sri Lanka, Burma,
Madagascar, Russia, Zimbabwe, United States
Colour:Golden-yellow, green-yellow,
green, brownish, red
Remarks:Fine, parallel inclusions
produce a silver-white line, which appears as a moving light
ray in a cabochon cut stone.The varieties alexandrite and
chrysoberyl cat's-eye are especially valued.
Special Optical Effect:Milk & Honey Effect exhibit by Chrysoberyl Cat's-eye. With the light source by side, the side close to light source will show honey colour while the other half will show milk colour. |