Is this coal?

B

bcawston

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Jan 10, 2018
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I found this rock in the garden today, it's fairly light,
Does this happen to be coal? IMG_0732.JPG IMG_0732.JPG
 

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DDancer

DDancer

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Looks like antracite, a hard coal used for heating. A streak test will answer your question.
 

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Carolina Tom

Carolina Tom

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Scratch and sniff test works well too.
 

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a probability help? please

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