elysp34uoi elysp34uoi

25-01-2018
Chemistry

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Monica found a clear mineral crystal. She wanted to identify its hardness. She tried to scratch it with her fingernail, a penny, and a steel nail but none of those worked. Then she tried topaz, which did leave a scratch . The mineral was able to scratch glass. What mineral could Monica have found? Explain your answer.

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donovanro19p36no6 donovanro19p36no6

26-01-2018

quartz is the mineral

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