Cronstedtite

Cronstedtite

Cronstedtite

Silicate mineral

Cronstedtite is a complex iron silicate mineral belonging to the serpentine group of minerals. Its chemical formula is Fe2+
2Fe3+
(Si,Fe3+
O
5)(OH)
4.

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It was discovered in 1821 and named in honor of Swedish mineralogist Axel Fredrik Cronstedt (1722–1765). It has been found in Bohemia in the Czech Republic and in Cornwall, England.

Cronstedtite is a major constituent of CM chondrites, a carbonaceous chondrite group exhibiting varying degrees of aqueous alteration. Cronstedtite abundance decreases with increasing alteration.[5]

Cronstedtite- Cornwall, England

See also

References

Wikimedia Commons has media related to Cronstedtite.
  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]
    Webmineral.com
  3. [3]
    Mindat.org
  4. [4]
    American Mineralogical Society
  5. [5]
    Browning et al. (1996) Geochimica et Cosmochimica Acta


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