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Cat's Eye



Not a single mineral species, but rather an optical phenomenon ("chatoyancy") caused by parallel fibres included within another mineral species, most commonly quartz. Also sometimes seen in tourmaline, apatite, corundum, chrysoberyl, beryl (especially emerald), danburite and other minerals. To avoid confusion, the name "cat's eye" should always be used as a modifier with a mineral species or gem name, not by itself.

Classification of Cat's Eye

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Other Names for Cat's Eye

Other Languages:
German:Katzenauge

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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    Localities for Cat's Eye

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Pennsylvania
      • York Co.
    		Kunz,1892. Gems & Precious Stones of N. America, p.205.
    • Rhode Island
      • Providence Co.
    		Kunz,1892. Gems & Precious Stones of N. America, p.204.
    Mineral and/or Locality
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    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.