New Acid Test Stone
This is a new acid test stone
This stone is used to test 9ct, 14-15ct, 18-24ct,silver and platinum.
Use this stone with acid solutions to test your item. Simply rub test subject onto stone and apply testing solution directly onto the stone.
Great way to test without marking the subject
It measures approximately 2" x 2" x 1/4"
Gold silver platinum testing stone for 9ct 18ct etc
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£3.00Price