Goethite is a mineral with the chemical formula FeO(OH) that belongs to the class of oxide minerals. It is composed of iron, oxygen, and hydrogen and is found in many different geological settings. Goethite is one of the most common minerals on earth and is a major constituent of rust.
Goethite is typically brown or yellowish-brown in color, but can also be black or red. It often forms botryoidal or stalactitic aggregates, and can also occur as prismatic crystals. Goethite has a hardness of 5-5.5 on the Mohs scale and a specific gravity of 3.3-4.3.
Goethite is an important iron ore mineral and is often found in banded iron formations. It is also found in sedimentary rocks, soils, and lateritic deposits. Goethite has a wide range of uses, including as a pigment in paints, ceramics, and plastics, as a catalyst, and as a soil conditioner. It is also used in the production of iron and steel.
Tuesday, March 14, 2023
Goethite
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