creedite

noun
creed·​ite | \ ˈkrēˌdīt\
plural -s

Definition of creedite

: a mineral Ca3Al2F4(OH, F)6(SO4).2H2O consisting of hydrous calcium aluminum fluoride with calcium sulfate, occurring in white to colorless grains, and radiating crystalline masses (hardness 2, specific gravity 2.7)

History and Etymology for creedite

Creede quadrangle (U.S. Geological Survey), southwest Colorado, its locality + English -ite

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