Real Dictionary

mineral in American English
an inorganic substance occurring naturally in the earth and having a consistent and distinctive set of physical properties (e. g., a usually crystalline structure, hardness, color, etc.) and a composition that can be expressed by a chemical formula: somet
of, like, consisting of, or containing a mineral or minerals
adjective: of the nature of a mineral; pertaining to a mineral or minerals
noun: any of a class of substances occurring in nature, usually comprising inorganic substances, as quartz or feldspar, of definite chemical composition and usually of definite crystal structure, but sometimes also including rocks formed by these substances as

mineral in British English
noun: any of a class of naturally occurring solid inorganic substances with a characteristic crystalline form and a homogeneous chemical composition

mineral. in American English
abbreviation: mineralogical

mineral. in British English
abbreviation for: mineralogy or mineralogical