yea they are composed of different thingies, like some are composed of jesus and some are composed of ronald mcdonald
Cobalt is a mineral, not a rock.
It is a Mineral
is a mineral
cinnabar is mineral
== Talc is a mineral. == True... but Talc is a Metamorphic rock. == Actually it is a metamorphic mineral, not a rock.
mineral
Mineral
A jade is actually both a mineral and a rock.
Pumice is an extrusive igneous rock, not a mineral.
the mineral is clay and there is no rock
It is a mineral or a number of minerals which are part of the composition of rock.
A mineral is a rock, so yes.
Limestone is a rock, composed mainly of the mineral calcite.
Cobalt is a mineral, not a rock.
mineral
mineral
is a mineral