mineral
Mineral
A jade is actually both a mineral and a rock.
An accessory mineral is a mineral present in small amounts in a rock, but not considered to be characteristic of the rock.
Fluorite is a mineral.
mineral
nothing can scratch a diamond other than another diamond with more pure properties such as being more clear, more dense, larger,
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.
Cobalt is a mineral, not a rock.
Limestone is a rock, composed mainly of the mineral calcite.
It is a mineral
a mineral