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Works great with Opals and Pearls
It can be used to measure DC/AC voltage/current
hypersensitive colour touchscreen
Fire Opal is an unusual variety of opal gemstone from Mexico
Power (W): 35W
Quicktest 3 Bottle Kit for Gold and Silver Presidium Gem Indicator Coloured Gemstone Tester Works great with Opals and3 Bottle Kit: White Amber Blue Three bottle tester, tests for all carats of gold and also silver. Each acid changes colour when applied to the metal, and the colour (and the speed of the reaction) will indicate whether it is gold and its carat. Also tests for silver. This is the 'industry standard tester, with clearest instructions, colour reactions easy to see, even for the colour blind. Each set includes a diamond file (to check for plating), a
US$ 116.00
US$ 126.00
US$ 399.50