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The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical .... In the long term, however, oxidation continues, and the hydrated sulfates formed may exer...

Pyrite: The mineral pyrite information and pictures


Pyrite has the same chemical formula as the rarer mineral Marcasite, but it ... formed from a combination of an octahedron and pyritohedron is also known. Pyrite ...

Pyrite | Earth Sciences Museum - University of Waterloo


Much of the pyrite contained in sediments and sedimentary rocks is authigenic, formed in the depositional environment, or early diagenetic, formed during the ...

Why does pyrite form cubic crystals? - Chemistry Stack Exchange


Apr 26, 2015 ... So why is it that the pyrite in this rock forms nearly perfect cubes? ... the shape is dependent on the concentration of sulphur during its formation.

Pyrite: Pyrite mineral information and data. - Mindat.org


Pyrite is a very common mineral, found in a wide variety of geological ... Well crystallized specimens are generally relatively stable, while pyrite formed as ...

University of Minnesota's Mineral Pages: Pyrite


Chemical Composition, FeS2 – Iron Sulfide. Color, Pale brassy yellow, will tarnish to darker hues that may be iridescent. Cleavage, None, conchoidal fracture.

What Is Pyrite (Fool's Gold)? - Properties, Definition & Facts - Video ...


Formation, Properties & Types .... Pyrite is a metallic mineral that is composed of iron and sulfur atoms bound together in a ratio of one iron to two sulfur, and it is ...

This Chunk Of Fool's Gold Naturally Formed In These Cubes


Mar 6, 2015 ... The golden color and shine of iron pyrite (which is responsible for its nickname, " fool's gold") may grab all the attention. But, there is another ...



The amount of pyrite formation in marine sediments is largely determined by the availability of sulphate, reactive iron and reactive organic matter during the ...

Pyrite - YourGemologist.com


Pyrite. Source: World wide. Chemical: FeS2 (Iron Sulfide). Crystal System: Cubic. Formation: Igneous, metamorphic, sedimentary. Unusual Properties: Pyrite is ...

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Pyrite Mineral | Uses and Properties - GEOLOGY.COM


The conditions of pyrite formation in the sedimentary environment include a supply of iron, a supply of sulfur and an oxygen-poor environment. This often occurs ...

Pyrite - Gemstone Education


How and where is Pyrite formed and found? Pyrite is one of the most commonly found minerals. In fact, it would be a normal ore for iron if it came in larger ...

pyrite | mineral | Britannica.com


The name comes from the Greek word pyr, “fire,” because pyrite emits sparks ... The transition stage); oxidation (in geologic history of Earth: Formation of the ...