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Potassichastingsite

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Formula:
[K][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
System:Monoclinic
Isostructural with:Chloro-potassichastingsite, Fluoro-potassichastingsite


Amphibole Group. Calcic Clino-Amphibole Subgroup. The (OH)-dominant analogue of fluoro-potassichastingsite and chloro-potassichastingsite.

Classification of Potassichastingsite

IMA status:Published without Approval
mindat.org URL:http://www.mindat.org/min-35793.html
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Crystallography of Potassichastingsite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}

Chemical Properties of Potassichastingsite

Formula:
[K][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
All elements listed in formula:Al, Ca, Fe, H, K, O, Si

Other Information

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

References for Potassichastingsite

Reference List:

- +
Mazdab, F.K. (2003): The diversity and occurrence of potassium-dominant amphiboles. 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.

Internet Links for Potassichastingsite

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    • Localities for Potassichastingsite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    China
    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
     
    • Kitaa (West Greenland) Province
      • Arsuk
        • Arsuk Firth
          • 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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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 20th Jun 2011 19:06:00
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