Condensed plant material smushed into a rock like thing from millions of years ago
Coal would be one example.
Coal is not a mineral. A mineral is a solid non-organic substance. Coal is an organic substance.
Coal, Silver, Turquoise and Uranium.
Coal is not a mineral and is not rare.
Pennsylvania's most important mineral is coal. Second is oil.
no coal doesn't have the 5 characteristics of a rock
Sulfur is a common mineral found in coal. Its presence in coal can lead to sulfur dioxide emissions when the coal is burned, contributing to air pollution.
no
no
No. Coal is not a mineral for two reasons: it lacks a crystal structure and it is organic.
A mineral must have a definite chemical composition and a crystalline structure, neither of which apply to coal.
== == Coal is very close to being a mineral but since it is organic (made from remains and organic substances) it does not qualify.