what are three key aspects of minerals?
Amethyst, a variety of quartz. A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin. A mineral has one specific chemical composition, whereas a rock can be an aggregate of different minerals or mineraloids. The study of minerals is called mineralogy.
Minerals are important for your body to stay healthy. Your body uses minerals for many different jobs, including building bones, making hormones and regulating your heartbeat. There are two kinds of minerals: macrominerals and trace minerals. Macrominerals are minerals your body needs in larger amounts.