Reply To: Heliodor color change? › Forums › Cutting Material and Identification › Heliodor color change? › Reply To: Heliodor color change? September 18, 2019 at 10:51 pm #5658 brellan217Participant @brellan217 I’ve never heard of heliodor turning that color. Did you buy it from a reputable source? Maybe try to identify the material using a specific gravity test?
