Mineral — An inorganic compound occurring naturally in the earth's crust, with a distinctive set of physical properties, and a definite chemical composition. Mining Engineer — A person qualified by education, training, and experience in mining engineering. A trained engineer with knowledge of the science, economics, and arts of mineral location, extraction, concentration and sale, and the administrative and .
Minerals • Naturally Occurring minerals must be formed naturally glass, concrete, synthetic diamonds, rubies and emeralds don't count • Inorganic minerals are not formed by anything that was ever alive. Therefore, materials such as: Ivory, Amber, Coal, Pearls are not minerals!