Cubic Zirconia AAA+ Midnight Black Rectangle 5x7mm (5pc)
Beautiful Black A+++ Cubic Zirconia. Rectangle shape size 5mm x 7mm. 5 stones.
Fireable: Firing of these stones is possible. Test fired up to 650/1230, they retain their color and quality for 1/2 hour. Results may vary depending on the firing temperature with slight color changes of the stone possible. Precaution against thermal shock required.