This premium quality Gold test stone is used for determine the carat content of jewelry. The object to be tested is scratched on the surface of the stone and a test acid solution determines the karat of the scratch....
Description :-This large stone is used for silver and gold testing that is dark and shows results clearly. Use this stone when you need a new high quality surface for your testing chemicals. ...
GOLD TESTING STONE BLACK Description :-This wooden mandrel provide snug fit for emery ring shells. Moreover it has pre drilled centre hole for use on bench polisher....
023A Gold Testing Black Stone 2½" X 1½" X ½" 023B Gold Testing Black Stone 3" X 2" X ½" 023C Gold Testing Black Stone 4" X 2" X ½" 023D Gold Testing Black Stone 6" X 3" X ½" 023E Gold Testing Black Stone 8" X 3" X ½"...
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