Respuesta :

Cleavage is the tendency of a mineral to break along smooth planes parallel to zones of weak bonding. Fracture is the tendency of a mineral to break along curved surfaces without a definite shape. These minerals do not have planes of weakness and break irregularly.
m239blagg
Its when you cut/break a mineral and the break is flat 

ex. this is what it would look like after it has broke. 
Ver imagen m239blagg

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