QUARTZ
\kwˈɔːts], \kwˈɔːts], \k_w_ˈɔː_t_s]\
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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.
By Oddity Software
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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.
By Noah Webster.
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A hard mineral composed of pure silica; the most common of solid minerals, found in many kinds of rock, often in the form of crystals.
By William Dodge Lewis, Edgar Arthur Singer
By James Champlin Fernald
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