Synthetic Spinel, Round, 3-8mm, Mixed Sizes Colourless, Pack of 50, PMC Safe

These synthetic spinel`s are simulated stones, perfect for adding a touch of sparkle to your precious metal clay designs. These round faceted synthetic spinel stones are colourless and consist of a pack of 50, ranging in size from 3mm to 8mm. Please note the image is an indication only and individual packs may vary. Care: These synthetic spinel stones are suitable to be used in metal clay casting however any time synthetic stones are fired, there is a chance there appearance could be altered or they could damage. The stones should not be in a kiln for longer than 2 hours or at a higher temperature than 1650°F to 899°C. Please note this is guideline only and their suitability should be tested prior to use. Synthetic spinel can be cleaned in an ultrasonic, steam cleaner, or a soapy water mix. A slight tolerance of +/- 0.25mm should be expected with these stones and these synthetic spinel`s are sold in packs of 50. Faceted stones of mixed sizes Precious Metal Clay safe Manmade gemstone Pack of 50