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.
silver
steel and iron
If the stone consisted purely of one mineral, then it would be a mineral and not a rock.
Rock salt
Rock salt
Mineral
mineral
mineral ?
the mineral of the half gold rock is the aluminium it makes the rock have its shine in the inside and then it spreads out in the outside yep that is all...:-D
rock
mineral
a mineral that makes up a obsidein, amorphus rock, and a crystal