Why does quartz not exhibit a well-defined 6-sided crystal structure in the rock granite?
a. it has lowest melting/freezing temperature and is last mineral to crystallize
b. it has the lowest melting/freezing temperature and is the first to crystallize
c. it has the highest melting/freezing temperature and is the last mineral to crystallize
d. it has the highest melting/freezing temperature and is the first to crystallize
e. none of the other answers are corrects, as quartz form 6 -sided crystals in the rock granite



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