(Definition of âallotâ from the Cambridge Business English Dictionary Â© Cambridge University Press)
In your own words, list the fve characterisTcs an Earth material must have in order to be considered a mineral. a Minerals Formed naturally b Inorganic c Solid substances such as ice d Minerals are crystalline substances. Atom are arranged in an orderly, repeTTve manner. e Minerals are chemical compounds 2.
Minerals, elements and the Earth s crust Introduction Minerals are substances formed naturally in the Earth. They have a definite chemical composition and structure. There are over 3000 minerals known. Some are rare and precious such as gold and diamond, while others are more ordinary, such as quartz.