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Nonmetallic Minerals Like Halite And Gypsum Have No Industrial Uses

Diff 1 11 diamond and quartz are both minerals composed of a single elementnswer false diff 1 12 the micas, biotite and muscovite, both exhibit one direction of cleavagenswer true diff 1 13 nonmetallic minerals like quartz and gypsum have no industrial usesnswer false diff 1 14 ferromagnesian silicate minerals contain some magnesium andor iron.