Tests were performed to see if Healing Phoenix Lapidary Fire in Place Opals by Chris Gage can survive a carbon firing. Yes! Find out how.

How to fire new heat-resistant Cultured Opals in Fine Silver AND Enriched 950 Sterling and 960 Sterling Metal Clays at 1650 ºF for 2 hours

Testing and advice by Holly Gage, on how to set fire-in-place cultured opals in your Metal Clay and Jewelry creations.

I'm sure many of my jewelry peers and student's who fabricate with sheet metal or sculpt jewelry and other objects from Silver Metal Clay...