Coal is a rock derived from organic processes.
Coal is not a mineral. A mineral is a solid non-organic substance. Coal is an organic substance.
organic
organic
No, they smell the same.
Organic
Coal is an organic rock that is composed of vegetation that may have originated in swamps and marshes.
organic
Most coal is classified as an organic sedimentary rock. The exception would be anthracite, which is metamorphosed bituminous coal.
Yes
Coal, yes. Diamond, no.
Coal is an organic, non-metallic, solid.