One of the mysteries of the English language finally explained.
A form of fibrous silica closely similar to chalcedony (of which it is often regarded as a variety), in which the fibres are elongated in a direction parallel to the c-axis.
Of the nature of or resembling quartz.
Late 19th century; earliest use found in American Naturalist. From French quartzine from quartz + -ine<br>mid 19th century; earliest use found in Elisha Kane (1820–1857), physician and Arctic explorer. From quartz + -ine.
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