Bituminous coal is a dense coal which is primarily used as fuel in energy generation. It is also used to generate coke. Candle coal is particularly easy to carve and to process to form jewellery.
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Details
Title: Bituminous coal with a strip of candle coal
Creator: Guido Wolff, Saarbrücken, Staatskanzlei des Saarlandes Open Gallery
Subject Keywords: Das Erbe Kapitel 1 – Kredit der Sonne
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