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Pyrite vs Gypsum - What's the difference?

pyrite | gypsum |

As nouns the difference between pyrite and gypsum

is that pyrite is the common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system while gypsum is a mineral consisting of the hydrated calcium sulphate. When calcined, it forms plaster of Paris.

pyrite

English

Noun

(en noun)
  • (mineralogy) The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.
  • (usually as a plural: pyrites ) Any metallic-looking sulphide, such as the above, which is the most common.
  • (usually as a plural: pyrites ) Any metal dichalcogenide that is isostructural to the common mineral.
    • Copper diselenide can occur both as a marcasite and a pyrite .

    Synonyms

    * fool's gold * iron pyrites

    Derived terms

    * chalcopyrite * pyritic * pyritified * white iron pyrite

    Related terms

    * pyr- * pyric * pyro-

    See also

    * marcasite ----

    gypsum

    English

    Noun

    (en noun)
  • A mineral consisting of the hydrated calcium sulphate. When calcined, it forms plaster of Paris.

    • Derived terms

    * gypsum board (panels) * gyprock * gypsic

    External links

    * (wikipedia "gypsum") ----