Cats’eye Gemological/Scientific Properties
Posted by slang on October 10, 2007
Append below a table showing the gemological or scientific properties of the cats’eye:
|
Gemological Properties |
|
|
Cat’s Eye |
|
|
Chemical Composition |
Al2(BeO4) Beryllium Aluminum Oxide. A cut across a striation causes the “eye “ effect. |
|
Color |
Light greenish yellow, green, brownish green, brownish yellow, brown |
|
Hardness |
8.5 on the Moh’s Hardness Scale |
|
Refractive Index |
1.744- 1.755 |
|
Species |
Chrysoberyl |
|
Density |
3.70- 3.72 |
|
Birefringence |
0.011 double refractive |
|
Occurence |
|
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