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Natural Gems

Which natural gemstones are safe to fire in PMC and Silver Art Clay?

The following is a list of gemstones that should fire in metal clay.  With natural gemstones you never know what will happen.  If there is an inclusion, a microscopic crack or bubble the gemstone can break.

Natural Faceted Stones

	Garnet ( Pyrope or Almandine )	Rhodolite Garnet	Tsavorite Garnet
	Peridot
Pink Sapphire	White Sapphire	Blue Sapphire	Yellow Sapphire
	Natural Ruby
	Orissa Garnet Cab	Red Garnet Cabs
Hematite	Moonstone Cab	Peridot Cab	Royal Blue Sapphire Cabs
Round Natural Cab

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