TRADE -ALERTS
1997 GEMS & GEMOLOGY Fall pg. 221-222: Lab Alert: Radioactive cat’s-eye chrysoberyls
1997 Asia Precious, 5. 12. Pg. 18-19: Radioactive cat’s-eye warning
1998 Professional Jeweler: RADIOACTIVE GEM ALERT!
2000 November Asiaweek: Feeling the burn from hot rocks: A radiation scare hits the gem business
2007 JCK MAGAZINE July 20 – Alert: Topaz with Unstable Color
2015 OpalholicsAnonymous.com: Trade Alert on Zultanite
2016 CIBJO GEMMOLOGICAL COMMISSION pg. 82: Radioactive cat’s-eye warning
2017 Journal of Gemmology 35 / 7 / pg. 571: Color-Change Glass Sold As Natural Garnet Rough