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Q: The tendency of a crystallized mineral to break in certain directions yielding more or less smooth surface, is
  • A. Cleavage
  • B. Fracture
  • C. Hardness
  • D. Streak
Correct Answer: Option A - Cleavage in mineralogy is the tendency of crystalline materials to split along definite crystallographic structural planes. The tendency of the stone to split along certain parallel planes. • Cleavage is the measure of capability of some minerals along certain planes parallel to the crystal faces. The various type of cleavage seen in the minerals are basal. prismatic, cubic, rhombohedra and Octahedral.
A. Cleavage in mineralogy is the tendency of crystalline materials to split along definite crystallographic structural planes. The tendency of the stone to split along certain parallel planes. • Cleavage is the measure of capability of some minerals along certain planes parallel to the crystal faces. The various type of cleavage seen in the minerals are basal. prismatic, cubic, rhombohedra and Octahedral.

Explanations:

Cleavage in mineralogy is the tendency of crystalline materials to split along definite crystallographic structural planes. The tendency of the stone to split along certain parallel planes. • Cleavage is the measure of capability of some minerals along certain planes parallel to the crystal faces. The various type of cleavage seen in the minerals are basal. prismatic, cubic, rhombohedra and Octahedral.