quartzine1
/ˈkwɔːtsiːn/(also quartzin) Mineralogy
noun
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.
Origin
Late 19th century; earliest use found in American Naturalist. From French quartzine from quartz + -ine.
quartzine2
/ˈkwɔːtsʌɪn/rare
adjective
Of the nature of or resembling quartz.
Origin
Mid 19th century; earliest use found in Elisha Kane (1820–1857), physician and Arctic explorer. From quartz + -ine.