Minerals are not equivalent to rocks. A rock is an aggregate of one or more minerals or mineraloids. Some rocks, such as limestone or quartzite, are composed
Mineralogy is a subject of geology specializing in the scientific study of chemistry, crystal structure, and physical (including optical) properties of minerals and
Interactive guide to hundreds of rocks and minerals.
The Mineral and Gemstone Kingdom is a free informational and educational guide to rocks, minerals, gemstones, and jewelry. This site has been providing detailed
Tenacity definition, the quality of being tenacious, or of holding fast; persistence: the amazing tenacity of rumors. See more.
Mineralogists use a number of tests on the physical properties of minerals to determine their identity.
The Function of Soil Minerals and Trace Elements in Soil, Plant, Animal, and Human Nutrition and Health: Copper, Zinc, Iron, Manganese, Boron