Cleavage is the term used to refer to minerals that break along the edge of a plane.
What is the cleavage of a mineral?
Cleavage of a mineral is a term to refer to a physical characteristic of minerals in which the mineral has a tendency to break along weak structural planes.
How to check the cleavage of a mineral?
To test the cleavage of a mineral, it is necessary to use a hammer and hit it on the edge to check the quality of the surface after breaking.
When the surface is uneven and rough, they are called poor-cleavage, while when it is extremely smooth, it is known as excellent cleavage.
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