Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Seward, AK
A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin (not produced by life processes). 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.
mineral. any naturally occurring nonorganic homogeneous solid substance. There are 19 or more minerals forming the mineral composition of the animal body; at least 13 are essential to health.ineral. any naturally occurring nonorganic homogeneous solid substance. There are 19 or more minerals forming the mineral composition of the animal body; at least 13 are essential to health.