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Webster 1913 Edition

Noun.

[Pref.

epi-

stilbite

(Min.)

A crystallized, transparent mineral of the Zeolite family. It is a hydrous silicate of alumina and lime.

Noun.

A mineral, said to be the same as the heulandite.

See also: épistilbite

epistilbite

(mineralogy) A triclinic-pedial mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.

epistilbite Barthelmy, David (accessed 29 August 2016) Webmineral Mineralogy Database