mineral coal
Noun
Meaning
coal coming from the ground, as opposed to charcoal
Silky fibrous layers of charcoal, interlaminated in beds of ordinary bituminous coal.
Source: en.wiktionary.orgNoun
coal coming from the ground, as opposed to charcoal
Silky fibrous layers of charcoal, interlaminated in beds of ordinary bituminous coal.
Source: en.wiktionary.org