File:Coal_bituminous.jpg · Wikimedia Commons · See Wikimedia Commons
زغال بیتومینه
Sign in to saveAlso known as Anthracite, soft coal, hard coal
often greasy, shiny, combustible organic sedimentary rock that consists of more than 75 per cent carbon by weight
Wikidata facts
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- Commons category
- Bituminous coal
- different from
- anthracite
- described by source
- New International Encyclopedia
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