Practice problem
A mineral with a cleavage 1,1; 3,2:
Cleaves with a perfect cleavage for one side and cleaves poorly (poor) for the other two sides.
Cleaves with a perfect cleavage in one side but cleaves well (good) for the other 3 sides.
Cleaves with a perfect cleavage for one direction and cleaves poorly (poor) for the other two directions.
Type a concept, like “slope” or “photosynthesis”.