itsisaac itsisaac
  • 15-03-2017
  • Physics
contestada

What is the hardest mineral in this group?
A. Calcite
B. Quartz
C. Diamond
D. Gold

Respuesta :

Аноним Аноним
  • 15-03-2017
Diamond is the hardest mineral on Earth.
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garrettermi
garrettermi garrettermi
  • 15-03-2017
C. Diamond, It one of the hardest known rock on the earth
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