Nano Gems
These beauties are perfect for Sterling Silver and Fine Silver Metal Clay. Nano Gems are safe to fire up to 1675°F / 913°C on an open shelf in clay, with the exception of the Dark Orange and Orange, which can be safely be fired up to 1650°F / 899°C on an open shelf in clay.
It is very important to fire with an azure, or a hole for light to pass through, behind the gem. The size of the azure should slightly smaller than the size of the stone. For example, a 4mm stone would benefit from a 3.5mm or 4mm hole. Without an azure, Nano Gems can change color, get muddy or lose luster.
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