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How to Test a Rock for Gold | Sciencing


Another option is to pan the pulverized rock to remove the rock from the pan and leave the gold. Acid Test Take a rock that contains gold in it – this process works best on quartz rocks – and set it inside a glass jar.


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How to Test Gold With Muriatic Acid | eHow


Observe the reaction of the gold once the muriatic acid comes in contact with it. If the metal dissolves completely, then it isn't gold. If some of the metal dissolves, then the gold is not pure, or is mixed with other forms of metal to form an alloy.


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Muriatic Acid test for carbonate minerals - World of …


According to most geologists "acid test" means placing a drop of dilute (5 per cent to 10 per cent) hydrochloric acid on a rock or mineral and watching for bubbles of carbon dioxide gas to be released. The bubbles signal the presence of carbonate minerals such as calcite, dolomite or one of the minerals.


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Gold, Mining and Prospecting: A simple test for gold


Jun 07, 2011· Hydrochloric acid is sometimes called muriatic acid when it is in dilute form. The dilute acid can be used as a simple test for gold. Sometimes it is a case of not being able to see the forest for the trees, and sometimes I am guilty of this fault among the many others I have.


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muriatic acid wash of live rock - YouTube


May 23, 2016· muriatic acid wash of live rock Andrew Kwon. Loading... Unsubscribe from Andrew Kwon? ... QUICK TEST FOR GOLD IN ETCHED ROCK - Duration: 2:12. meMiner 43,128 views. ... Fossil Calcite Crystal Seashell specimen polishing using muriatic acid…


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Hydrochloric acid - Wikipedia


Hydrochloric acid is a colorless inorganic ... muriatic acid, ... Oil production may be stimulated by injecting hydrochloric acid into the rock formation of ...


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