Kalinite

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Kalinite is a mineral composed of hydrated potassium aluminium sulfate (a type of alum). It is a fibrous monoclinic alum, distinct from isometric potassium alum,[5] named in 1868. Its name comes from kalium (derived from Arabic: القَلْيَه al-qalyah “plant ashes”) which is the Latin name for potassium, hence its chemical symbol, "K".

A proposal to remove recognition of kalinite as a mineral species is scheduled to be submitted to the International Mineralogical Association,[4] currently (March 2010), kalinite is still on the list of approved minerals.[6] Many older samples, however, have been found to be potassium alum.[2]

Environment

Kalinite is a rare secondary mineral observed in the oxidized zone of mineral deposits, as efflorescence on alum slates, in caves, and as a volcanic sublimate.[7] It is associated with jarosite, KFe3+3(SO4)2(OH)6, and cuprian melanterite (pisanite), (Fe2+,Cu2+)SO4·7H2O, at Quetena, Chile.[8]

References

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  1. Gaines et al (1997) Dana’s New Mineralogy, Wiley
  2. 2.0 2.1 http://www.handbookofmineralogy.org/pdfs/kalinite.pdf
  3. http://www.webmineral.com/data/Kalinite.shtml
  4. 4.0 4.1 http://www.mindat.org/min-2137.html
  5. American Mineralogist (1923) 8:15
  6. http://rruff.info/ima
  7. American Mineralogist (1927) 12:14
  8. American Mineralogist (1938) 23:721