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cleavage
This property is called cleavage.
It would be important because cleavage is a tendency of some minerals to break along smooth, flat surfaces.
Cleavage is the tendency of some minerals to fracture or break alongflat three dimensional planes. The surfaces are usually smooth to the touch.
Cleavage
Cleavages
Cleavage
Cleavage
Cleavage is the tendency of a minerals to break along flat surfaces. It means that the make up of the mineral is uneven, dense on one side and not dense in the other, causing the mineral to break along flat surfaces. The tendency of a mineral to break irregurlary is fracture.
Many minerals have "cleavage" that causes them to split on flat cleavage planes. Such minerals include micas (muscovite, biotite. phlogopite), calcite, gypsum, and feldspars. Cleavage is the result of the minerals' crystal structure that has weaker chemical bonds aligned in planes.
Moh's hardness scale was used to determine a mineral's resistance to being scratched. The tendency of a mineral to break along smooth flat surfaces is cleavage.
Cleavage is the tendency of a mineral to break along smooth planes parallel to zones of weak bonding.