Of which metal is dolomite an ore?
It is a type of limestone, the carbonate fraction of which is dominated by the mineral dolomite, calcium magnesium carbonate [CaMg(CO3)2]. Mg would be the answer. Ca is also a metal, but that is not the answer.
you may be drawing to much for your alternator to handle run the car and the stereo as you normally do put an ohm meter on the battery and read the voltage it should read at least 13.2 volts or higher if not you need to get a higher amp alt
I'd ay that the power is sucking the life out of the battery. You may want to run a separate battery (deep-cycle) just for the stereo.
Dolomite is principally a mix of magnesium an calcium cabonate. So magnesium
