mainiknopez mainiknopez

01-02-2017
Physics

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Suppose you found a mineral crystal that looked like topaz. what two minerals could you use in a scratch test to help determine if the mineral is indeed topaz?

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pkmnmushy pkmnmushy

09-02-2017

The two most important minerals you need to do the test are Corundum and quartz. You use that to do scratch test

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