An iron sulfide mineral whose brassy, metallic luster has led prospectors to mistake it for gold for centuries, hence its common nickname. Unlike gold it is brittle and far harder. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Classification
Crystal System Classification UseIndustrial and Abrasive 3 Wikipedia 'Pyrite' states this use (or use-bearing statement); earth5 pass. Formation Class Chemical Formula Hardness (Mohs) Connections
Associated With
Norite intrusions such as Sudbury and the Bushveld Complex are classic hosts of magmatic sulfide mineralization including pyrite.
Pyrite forms in shale during early diagenesis of anoxic mud; cited via shale's own registered source since Pyrite carries only the generic mineral-wikipedia stub as its own source.
Source Shale (Wikipedia)
Pyrite named as an important accessory mineral of slate; cited via slate's own registered source since Pyrite carries only the generic mineral-wikipedia stub as its own source.
Source Slate (Wikipedia)
Classified As
Crystallizes In System
In Discipline
Source Mineral (Wikipedia)
Sources
1. Pyrite (Wikipedia)
2. Mineral (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
For example, pyrite and marcasite, both iron sulfides, have the formula FeS2; however, the former is isometric while the latter is orthorhombic.
3. Wikidata: Pyrite
Wikidata Q50769
Shale (Wikipedia)
Wikimedia FoundationAssociated With: Shale, Formation sectionQuote, Associated With: Shale, Formation section
Pyrite may be formed in anoxic mud at this stage of diagenesis.
Slate (Wikipedia)
Wikimedia FoundationAssociated With: Slate, Composition sectionQuote, Associated With: Slate, Composition section
The most important accessory minerals are iron oxides (such as hematite and magnetite), iron sulfides (such as pyrite), and carbonate minerals.
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