Assertion: anthracite | /r/HasProperty | free
Facets:
value: from arsenic
type: OTHER
value: from included soft or fibrous notches
type: OTHER
Source sentences:
text: It is also free from included soft or fibrous notches and does not soil the fingers when rubbed.
text: Besides the domestic consumption, which is the chief use to which anthracite is applied, it is largely used for malting purposes and for the dry ing of hops, where a steady heat is required, for which purpose the anthracite must be free from arsenic.