How to Test a Rock for Gold | eHowHow to Test a Rock for Gold. Imagine wading in a stream bed on a hot summer day and looking down to see a glimmering gold-like substance in the mud.testing raw gold silver ore in rock form with acids,Is this rock Platinum, Palladium or Rhodium? - FinishingAccept it ain't gold or silver or aluminum. . than a mining chemist . but would have/should have all the testing equipment to . 315 C to form rhodium sulfate. . of raw platinum ore with 48 percent platinum and other platinum group metals in.Silver: The mineral native Silver information and picturesComplete Information Guide to Rocks, Minerals, & Gemstones . A natural alloy of gold and silver is known as Electrum, and is usually classified as a variety of Gold. . Crystal Forms . Complex Tests, Dissolves in nitric acid and and sulfuric acid. . in greater abundance than all other precious metals with similar properties.
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