a naturally formed, inorganic solid that has a definite chemical structure.
mineral
a substance that cannot be separated or broken down into simpler substances by chemical means
element
a substance made up of atoms of two or more different elements joined by chemical bonds
compound
a solid whose atoms, ions or molecules are arranged in a regular, repeating pattern
crystal
a mineral that contains a combination of silicon and oxygen and that may also contain one or more metals
silicate mineral
a mineral that does not contain compounds of silicon and oxygen
nonsilicate mineral