Select the one substance that is not a mineral.
A: Cheese is made by humans. It is a solid.
B: Calcite is a pure substance. It is a solid.
C: Biotite is formed in nature. It is a pure substance.
Compare the properties of each substance to the properties of minerals. Select the substance whose properties do not match those of minerals.
Calcite is a mineral.
Cheese is made by humans. But minerals are not made by living things.
So, cheese is not a mineral.
Biotite is a mineral.