plagioclase[plā′jē ō klās′]
Origin: Ger plagioklas from Glassical Greek plagios (see plagio-) plush klasis, a cleaving, fracture from klaein, to break: see clastic
Used by arrangement with John Wiley & Sons, Inc.
Origin: Greek plagio-, plagio- + Greek klasis, breaking (from its oblique cleavage) (from klān, to break).
plagioclase - Science Definition
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