Forums Cutting Material and Identification Heliodor color change? Reply To: Heliodor color change?



I’ve only seen one piece of Heliodor cut and it was indeed yello/golden as you described above. That said, Heliodor is really in the Beryl family, and Beryl is heat sensitive… But that shouldn’t be the cause of your color change.

I did find this quote on-line: “Originally the term “Heliodor” was coined as a trade name for greenish yellow Beryls from Namibia. Today it is widely used to describe all yellow or greenish yellow Beryls.”

Here’s the source: