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Zincobotryogen
General
CategoryMineral
Formula
(repeating unit)		(Zn,Mg,Mn)Fe3+(SO4)2(OH)·7H2O
IMA symbolZbyg[1]
Crystal systemMonoclinic
Space groupP21/n (no. 14)
Identification
Mohs scale hardness2.5
Specific gravity2.201
References[2][3][4][5]

Zincobotryogen is a hydrous sulfate mineral with the chemical formula (Zn,Mg,Mn)Fe3+(SO4)2(OH)·7H2O. It forms bright orange red monoclinic prismatic crystals that exhibit a vitreous to greasy luster. Its specific gravity is 2.201 and it has a Mohs hardness of 2.5.

It is a rare secondary mineral which forms in arid climates by alteration of other zinc minerals. It was named for its zinc content and it relationship to botryogen. It has been reported from the Xitieshan Mine, Qinghai, Northwest Region, China; Rammelsberg mine, near Goslar, Harz Mountains, Germany; the Bisbee district of Arizona and various mines in Colorado.

References

  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. ^ Süsse, P. (15 June 1968). "Die Kristallstruktur des Botryogens". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 24 (6): 760–767. doi:10.1107/S0567740868003171.
  3. ^ "Mineral data Pub. 2001" (PDF). Handbook of Mineralogy. Retrieved 3 January 2021.
  4. ^ "Zincobotryogen". Webmineral.com. Retrieved 3 January 2021.
  5. ^ "Zincobotryogen". Mindat.com. Retrieved 3 January 2021.


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