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Potassic-hastingsite

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Formula:
{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2
Crystal System:
Monoclinic
The hastingsite-group minerals are defined with 0,5 < A(Na+K+2Ca)<1.5 where Na or K is dominant and with the C position occupied by Mg or Fe2+ as dominant divalent ions and 0,5 < C(Al+Fe3+ +2Ti) < 1.5 where Fe3+ is dominant. W may contain (OH),F or Cl.

Potassic-hastingsite is defined with:

A position: K dominant
C position: Fe dominant divalent ion
W position: (OH) dominant


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Classification of Potassic-hastingsiteHide

Notes:
Unnamed (probably valid)
Approval History:
Unnamed, but probably valid.

Chemical Properties of Potassic-hastingsiteHide

Formula:
{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2

Crystallography of Potassic-hastingsiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m

Other Language Names for Potassic-hastingsiteHide

Simplified Chinese:钾绿钙闪石

Relationship of Potassic-hastingsite to other SpeciesHide

Other Members of this group:
Fluoro-hastingsite{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)F2
Hastingsite{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2Mon.
Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2Mon. 2/m : B2/m
Magnesio-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon.
Potassic-chloro-hastingsite{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(Cl,OH)2Mon. 2/m : B2/m
Potassic-fluoro-hastingsite{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(F,OH)2Mon. 2/m : B2/m
Potassic-magnesio-hastingsite{K}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Potassic-hastingsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mazdab, F.K. (2003) The diversity and occurrence of potassium-dominant amphiboles. The Canadian Mineralogist: 41: 1329-1344.
Zácek, V. (2007) Potassian hastingsite and potassichastingsite from garnet-hedenbergite skarn at Vlastejovice, Czech Republic. Neues Jahrbuch für Mineralogie - Abhandlungen: 184: 161-168.
Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

Internet Links for Potassic-hastingsiteHide

Localities for Potassic-hastingsiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Mendoza
Pagano, D.S., Galliski, M.Á., Márquez-Zavalía, M.F., Colombo, F. (2016): Petrology and mineralogy of the La Peña igneous complex, Mendoza, Argentina: An alkaline occurrence in the Miocene magmatism of the Southern Central Andes. Journal of South American Earth Sciences: 67 (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=12553 (2016)
China
 
  • Hunan Province
    • Chenzhou Prefecture
      • Guiyang Co.
        • Huangshaping Pb-Zn-polymetallic ore field
Yiming Zhao and Daxin Li (2003): Mineral Deposits 22(4), 345-359
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Zruč nad Sázavou (Srutsch an der Sasau)
Zácek, V. (2007): Potassian hastingsite and potassichastingsite from garnet-hedenbergite skarn at Vlastejovice, Czech Republic. Neues Jahrbuch für Mineralogie - Abhandlungen, 184, 161-168.
Greenland
 
  • Sermersooq
    • Arsuk Fjord
      • Ivittuut (Ivigtut)
Specimens undergoing study at Roma Tre/Pavia Universities, Italy.
USA
 
  • New York
    • Orange Co.
      • Town of Monroe
        • Lake Mombasha
Lupulescu, Marian: Rocks& Min. -- May/June 2008
Mineral and/or Locality  
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