(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.
it must be a crystalline solid; it must have a consistent chemical composition. The 20 most common minerals are called rock-forming minerals because they form the rocks that make up Earthâs crust. Ten minerals are so common that they make up 90% of Earthâs crust.