No.
But it can be turned into graphite.
http://www.newton.dep.anl.gov/askasci/chem00/chem00349.htm
http://www.newton.dep.anl.gov/askasci/env99/env186.htm
no coal cannot be changed into diamondz from the research i have done on it
No. coal is coal and diamond is diamond. They are both formed from carbon, but diamond is much harder than coal.
Yes. Both diamond and coal are formed from carbon.
A diamond is not formed from coal. Diamond and coal are both allotropes of carbon, and are formed by different processes.
Diamond does not turn into coal when exposed to flame.
No 'coal' turns into 'diamond'. Both coal and diamond are composed of carbon, each being formed at different layers in the earth's mantle.
No,The process in which turns coal into diamond cannot be reversed or "undone"
Probably because both coal and diamond are composed of carbon.
Diamond is more dense that coal.
how has coal mining changed over time
no
Coal, yes. Diamond, no.
Coal that has become diamond.