Hauerite

Hauerite

Hauerite

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Hauerite is a manganese sulfide mineral with the chemical formula MnS2. It forms reddish brown or black octahedral crystals with the pyrite structure and it is usually found associated with the sulfides of other transition metals such as rambergite. It occurs in low temperature, sulfur rich environments associated with solfataras and salt deposits in association with native sulfur, realgar, gypsum and calcite.[2]

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It was discovered in Austro-Hungarian Monarchy in Kalinka (now Vígľašská Huta-Kalinka village) sulfur deposit near Detva in what is now Slovakia in 1846 and named after the Austrian geologists, Joseph Ritter von Hauer (1778–1863) and Franz Ritter von Hauer (1822–1899).[2][4]

It is found in Texas, US; the Ural Mountains of Russia, and Sicily, Italy.[5]

Under high pressure conditions (P>11 GPa), Hauerite undergoes a large collapse in unit cell volume (22%) driven by a spin-state transition.[6]

References

  1. [1]
    Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. [2]
    Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Hauerite" (PDF). Handbook of Mineralogy. Mineral Data Publishing. Retrieved 1 August 2022.
  3. [3]
    Barthelmy, David (2014). "Hauerite Mineral Data". Webmineral.com. Retrieved 1 August 2022.
  4. [4]
    Hauerite, Mindat.org, retrieved 1 August 2022
  5. [5]
    Star, Fleur, ed. (2012). Rocks and Minerals. DK publishers. ISBN 978-1-4093-8659-9.
  6. [6]
    Kimber, S.A.J., et al., Giant pressure-induced volume collapse in the pyrite mineral MnS2, PNAS, April 8, 2014, vol. 111, no. 14, pp. 5106–5110
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