Lead is chiefly obtained from the mineral galena (lead sulfide). Other common lead-bearing minerals include anglesite (lead sulfate), boulangerite, cerussite,...

n is a chemical element with the symbol Sn (from Latin: stannum) and atomic number 50. ... Tin is a...

The chief ores of iron consist mainly of the oxides: hematite, Fe2O3 ; goethite, alpha -FeO(OH); magnetite, Fe3O4; and the...

Diamond mineralDiamond, a mineral composed of pure carbon. It is the hardest naturally occurring substance known; it is also the...

Limestone, sedimentary rock composed mainly of calcium carbonate (CaCO3), usually in the form of calcite or aragonite. ... It may...

Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all...

Silver (Ag) has a bright, metallic luster, and when untarnished, has a white color. It is rarely found in its...

Bauxite ore is the main source of aluminum and contains the aluminum minerals gibbsite, boehmite, and diaspore. ... Because it...

Gypsum is used in a wide variety of applications: Gypsum board is primarily used as a finish for walls and...

Nickel is obtained from two main types of deposits from the mineral garnierite (Ni-silicate) in nickel-rich laterite formed by weathering...