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What is it? (strange coal)

rlarkin
in Blacksmithing, General Discussion

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A buddy of mine was just given a large bin of coal that was in a OLD barn.
Mixed in with the coal is a bunch of what looks to be coal fines that are compressed into cylinders 2 1/4" long with a diameter of 2 1/4". One end is slightly convex with a R in the center of a diamond.
Can try and pics up this weekend, but does anybody know what he has?

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    Recovered coal fines. The coal company gets some federal money for putting them out. Some are just tightly compressed dust. Some have a binding agent added in.

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