They have a kind of black stone, which they dig out of the mountains, and it burns like wood, and it gives a great heat.

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Details

Context

From 'The Travels of Marco Polo', describing coal in China

Date / Period

c. 1300

Source

https://www.gutenberg.org/files/10636/10636-h/10636-h.htm

Verification

Unverifiable

Explanation

Found in 1 providers: grok

Method

Cross Reference

Sources Checked

1 source