chatoyancy
Sign in to saveAlso known as chatoyance, cat's eye effect
thumb|right|Tiger's eye thumb|right|Tiger's eye
~8 min read
Encyclopedic overview
8 sectionsContents
- Description
- Optimal presentation of effect
- Varieties of chatoyant materials
- Cat's eye terminology
- In woodworking
- Measurement
- See also
- References
thumb|right|Tiger's eye thumb|right|Tiger's eye
In gemology, chatoyancy ( ), also called chatoyance or the '''cat's eye effect''', is an optical reflectance effect seen in certain gemstones. (Historically, the term has applied specifically to gems; in woods and other materials the effect is more broadly known as "figure" or iridescence.)
Excerpted from Wikipedia’s “chatoyancy” article, available under the CC BY-SA 4.0 licence.