This is a green natural untreated rough specimen from Brazil showing chatoyance [cats eye] effect
Chatoyancy or chatoyance, is an optical reflectance effect seen in certain gemstones Coined from the French \“oeil de chat\”, meaning \“cat\‘s eye\”,
![50.8 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6026]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516817/55b5bd78d9692_260x208.JPG)
![62.0 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6031]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516827/55b5beb857669_260x208.JPG)
![34.95 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6032]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516829/55b5befd93c73_260x208.JPG)
![71.35 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6035]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516837/55b5c04bd2be1_260x208.JPG)
![49.85 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6038]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516843/55b5c0f336e64_260x208.JPG)
![88.1 CTS OPALITE ROUGH BRAZIL [VS6418 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428362/53a3c8394bbba_260x208.JPG)
![163.5 CTS OPALITE ROUGH BRAZIL [VS6423 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428370/53a3c992ca8c0_260x208.JPG)
![156.25 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6049]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516869/55b5cc4ec1a86_260x208.JPG)
![20.18 CTS DENDRITIC OPAL -ROUGH- UNIQUE [AMB2]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/375000-379999/376607/376607_1375788527_260x208.jpg)
!['CATS EYE ' ROUGH OPALITE-IRRESDANT 62.40 CTS [F 2091]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/185000-189999/187132/187132_1276304326_260x208.jpg)
!['CATS EYE ' ROUGH OPALITE-IRRESDANT 66.30 CTS [F1615 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/160000-164999/162400/162400_1266019586_260x208.jpg)
![79.7 CTS OPALITE ROUGH BRAZIL [VS6428 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428788/53a773ff6e4d3_260x208.JPG)
![54.2 CTS OPALITE ROUGH BRAZIL [VS6433 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428798/53a775deb0204_260x208.JPG)
![163.5 CTS OPALITE ROUGH BRAZIL [VS6434 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428800/53a776698333f_260x208.JPG)
![180.0 CTS GREEN OPALITE -TURKEY [F6172]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/525000-529999/527237/55e79b778f2ec_260x208.jpg)
![205.00 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [FLA127]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/330000-334999/333318/333318_1358732666_260x208.jpg)
![200.00 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [FLA126]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/330000-334999/333316/333316_1358732576_260x208.jpg)
!['CATS EYE ' ROUGH OPALITE-IRRESDANT 79.70 CTS [F 2101]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/185000-189999/187142/187142_1276304983_260x208.jpg)
!['CATS EYE ' ROUGH OPALITE-IRRESDANT 66.30 CTS [F 2093]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/185000-189999/187134/187134_1276304445_260x208.jpg)
!['CATS EYE ' ROUGH OPALITE-IRRESDANT 60.05 CTS [F 2095]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/185000-189999/187136/187136_1276304616_260x208.jpg)
!['CATS EYE ' ROUGH OPALITE-IRRESDANT 93.85 CTS [F 2098]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/185000-189999/187139/187139_1276304789_260x208.jpg)
![140.0 CTS GREEN OPALITE -TURKEY [F6176]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/525000-529999/527245/55e79d32cda9b_260x208.jpg)
![160.0 CTS GREEN OPALITE -TURKEY[F6177]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/525000-529999/527247/55e79d9ebca67_260x208.jpg)
![140.0 CTS GREEN OPALITE -TURKEY [F6179]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/525000-529999/527251/55e79e7af2e6c_260x208.jpg)
![180.0 CTS GREEN OPALITE -TURKEY [F6180]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/525000-529999/527253/55e79ed7e4172_260x208.jpg)
![98.6 CTS OPALITE ROUGH BRAZIL [VS6439 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428810/53a783fa57741_260x208.JPG)
![141.6 CTS OPALITE ROUGH BRAZIL [VS6440]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428812/53a7844cc6ce6_260x208.JPG)
![85.1 CTS OPALITE ROUGH BRAZIL [VS6442 ]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428816/53a784cb3c5b2_260x208.JPG)
![55.3 CTS OPALITE ROUGH BRAZIL [VS6445]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/425000-429999/428824/53a785c402305_260x208.JPG)
![191.65 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6010]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516745/55b5aac541444_260x208.JPG)
![136.05 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6015]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516757/55b5abb253199_260x208.JPG)
![78.75 CTS 'CATS EYE ' ROUGH OPALITE-IRRESDANT [F6016]](https://df2sm3urulav.cloudfront.net/tenants/gr/cache/uploads/images/515000-519999/516763/55b5ac97b0270_260x208.JPG)