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In addition, it must be hard and durable. Its value increases if it is also rare.The beauty of a gem is measured in terms of its clarity, brilliance, and color. Comments
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.