epistilbite

noun
epi·​stilbite | \ ¦epə̇, ¦epē+\

Definition of epistilbite

: a zeolitic mineral CaAl2Si6O165H2O consisting of aluminosilicate of calcium and occurring in usually white prismatic crystals or granular forms

History and Etymology for epistilbite

German epistilbit, from epi- + stilbit stilbite

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