(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.ocks are mixtures formed of minerals. Just as elements are the building blocks of minerals, so minerals form the building blocks of rocks. Table 1 gives some information about the most common elements in the Earth s crust in order of abundance. Element name.