In some rock, it is not possible to visually detect a mineral. Tests must be done to identify the minerals which compose the rock. Such tests would include: reaction to acids, specific gravity, texture, and color.
The rock used to find a mineral's streak color is unglazed porcelain.
an igneouus rock
mineral
in a cave
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.
Magnetite is classified as a mineral, not a rock.
Magnetite is classified as a mineral, not a rock.
Cobalt is a mineral, not a rock.
is a mineral