Bible Dictionaries
Eyserite

Webster's Dictionary

(n.) A loose hydrated form of silica, a variety of opal, deposited in concretionary cauliflowerlike masses, around some hot springs and geysers.

Bibliography Information
Webster, Noah. Entry for 'Eyserite'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/eyserite.html. 1828.