Refraction Index: 1.518-1.526 Hardness: 6.0-6.7 Specific Gravity: 2.56 Species: Feldspar Treatment: None Care: Avoid harsh chemicals and never clean with ultrasonically or steam clean.
Some Inclusions
Metal Clay, safe to fire. Test results; Silver 1200F-1HR-OK, Silver 1475F-1HR-OK, Silver 1650F-2HR Iridescent Blue, Bronze 1525F-2HR-OK, Copper 1778F-30min-More Iridescent. Fire in carbon.