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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 ...

How and where is Pyrite formed and found - Gemstone Education


Pyrite is a Greek word for fire and it sometimes is called many different names including Marcasite and Fool's Gold. Pyrite resembles gold in that it is yellow, ...

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 ...

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 ...

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 ...

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 ...

Pyrite Suns from Sparta, Illinois - Cutting Rocks


The mineral pyrite, also known as iron pyrite, is iron sulfide, the most ... from pyrite without laboratory analysis when clear indicators such as well formed crystals ...



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

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.

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Pyrite Mineral | Uses and Properties - Geology.com


The uses and properties of the mineral Pyrite. ... It often occurs in well-formed crystals in the shape of cubes, octahedrons, or pyritohedrons, which often have ...

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 | 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 ...