Gemstone Firing Guide
Any stone marked as carbon-safe is oxygen-sensitive, but can be safely fired when protected by activated carbon. firing a carbon-safe stone in silver clays with this technique, you can safely fire most cz’s and lab gemstones in all forms of silver clay at the ideal temperature without sacrificing the stone or the integrity of the final.Artificial stone a manmade product attempting to replicate the look of natural stone. this term is actually a misnomer, as it includes an obvious contradiction of terms. stone is naturally occurring earth material. see engineered stone and cultured marble. ashlar a stone fa ade of generally square or rectangular units having sawed or dressed.