Question

!! Earth Science !! what would happen if you rubbed a piece of calcite (Hardness 3) against a piece of quartz (Hardness 7)?

A.) Calcite would break into three directional cleavage
B.) Calcite scratches Quartz
C.) Quartz would cause a streak on Calcite
D.) Quartz scratches Calcite

Answer 1

que condiciones graficas estan presentes en el pueblo de los alamos sonora

Answer 2

The quartz would scratch the calcite, because the quartz is much harder, so D.)