A*poph"yl*lite (#), n. [Pref. apo- + Gr. leaf; so called from its foliated structure or easy cleavage.] Min.

A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and potassium.


© Webster 1913.

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