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A rock forming mineral that is glassy looking hard substance with white streaks

Sagot :

QUARTZ

WHAT IS QUARTZ?

  • Quartz. It is a glassy-looking hard substance with white streaks. Despite its hardness, with a Mohs hardness of 7, it is quite brittle.

Quartz

Quartz. It is a glassy-looking hard substance with white streaks. Despite its hardness, with a Mohs hardness of 7, it is quite brittle.