13 Facts About Pyrite

Pyrite is usually found associated with other sulfides or oxides in quartz veins, sedimentary rock, and metamorphic rock, as well as in coal beds and as a replacement mineral in fossils, but has been identified in the sclerites of scaly-foot gastropods.

Pyrite is used with flintstone and a form of tinder made of stringybark by the Kaurna people, people of South Australia, as a traditional method of starting fires.

Pyrite has been used since classical times to manufacture copperas .

Pyrite remains in commercial use for the production of sulfur dioxide, for use in such applications as the paper industry, and in the manufacture of sulfuric acid.

Pyrite is a semiconductor material with a band gap of 0.

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Pyrite detectors occupied a midway point between galena detectors and the more mechanically complicated perikon mineral pairs.

Pyrite has been proposed as an abundant, non-toxic, inexpensive material in low-cost photovoltaic solar panels.

Pyrite is distinguishable from native gold by its hardness, brittleness and crystal form.

Pyrite fractures are very uneven, sometimes conchoidal because it does not cleave along a preferential plane.

Pyrite oxidation is sufficiently exothermic that underground coal mines in high-sulfur coal seams have occasionally had serious problems with spontaneous combustion.

Pyrite is the most common of sulfide minerals and is widespread in igneous, metamorphic, and sedimentary rocks.

Pyrite occurs both as a primary mineral, present in the original sediments, and as a secondary mineral, deposited during diagenesis.

Pyrite is common as an accessory mineral in shale, where it is formed by precipitation from anoxic seawater, and coal beds often contain significant pyrite.