Select the one substance that is not a mineral.
A: Perfume is not a pure substance. It is made by humans.
B: Gypsum is a solid. It is formed in nature.
C: Sphalerite is not made by living things. It is a solid.
Compare the properties of each substance to the properties of minerals. Select the substance whose properties do not match those of minerals.
Gypsum is a mineral.
Perfume is made by humans. But minerals are not made by living things.
Perfume is not a pure substance. But all minerals are pure substances.
So, perfume is not a mineral.
Sphalerite is a mineral.