Clinopyramid

/ˌklɪnəˈpɪrəmɪd/ noun

Definition

A pyramid-shaped crystal form in the monoclinic system where the faces are inclined to the clinoaxis.

Etymology

From Greek 'klīnein' (to lean) and 'pyramid', combining the concept of inclined axes with the geometric shape, used in mineralogical classification.

Kelly Says

Unlike regular square pyramids you see in geometry class, clinopyramids have faces tilted at weird angles because the crystal's atoms are arranged in a lopsided way—nature's wonky geometry.

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