Assertion: anthracite | /r/HasAspect | volatile matter
Facets:
value: from 2 to 8%
type: OTHER
Source sentences:
text: Anthracite, which is a specific rank of anthracitic coals, has volatile matter from 2 to 8%, and fixed carbon contents of 92 to 98% on a dry mineral-matter free basis (ASTM; Jackson, 1977).