epistilbite

noun

epi·​stilbite

¦epə̇,

¦epē+

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

Word History

Etymology

German epistilbit, from epi- + stilbit stilbite

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