It has both cleavage and fracture.
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Plagioclase feldspar is a non-metallic mineral. It has 2 cleavages at nearly right angles. It is also differentiated from potassium feldspar because it contains striations. Potassium feldspar has 2 cleavages at nearly right angles.
Feldspar's fracture is brittle
cleavage lines
Cleavage .
the 5 properties are cleavage hardness luster color streak