A dark stone, used for testing gold karat as well as silver and platinum. The object to be tested is scratched on the surface of the stone and a test acid solution ...

Purchase this glass gold testing stones when you need a new high quality surface for your testing chemicals. Used to test gold jewelry and watches

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Contains a Single economy test stone for use with test acid. This test stone is used with test acids so you don't leave nasty acid marks on your gold, silver or platinum.

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2 inch by 1 1/2 inch test stone to be used in conjunction with test acids to evaluate the karat quality of gold. #-6751 $7.95

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Economy Test Stone for Gold Silver Platinum Testing , Contains a Single economy test stone for use with test ac This test stone is used with test acids so you don't ...

Testing the purity of the gold. ... Wash the stone with 22k acid and wipe it with a cloth. ... The best way to test gold in a powder or dust form would be through a ...

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GOLD TEST STONE - GOLD TEST STONE 2 inch by 1 1/2 inch test stone to be used in conjunction with test acids to evaluate the karat quality of gold. ...

For Testing Gold, Silver, Platinum using test acid. The Pro-Premium stone, in the suppliers opinion, is equal if not superior to Arkansas and Natural...

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Use with testing acids and chemicals to determine the carat content of gold, silver and platinum. Test your jewelry and watches.

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