Bible Dictionaries
Quartz

Webster's Dictionary

(n.) A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.

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