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Hackmanite

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Formula:
Na
 
8
Al
 
6
Si
 
6
O
 
24
(Cl
 
2
,S)
Name:
For Finnish geologist, Victor Axel Hackman [April 27, 1866 - 1941]. Professor at University of Helsinki (Helsingfors) and geologist with Finnish Geological Survey.
A variety of Sodalite

Pink to grey white to white variety of Sodalite containing some S. Occasionally not enough S to be detectable with EDS (<1%) The Sulfur can give sodalite reversible photochromism or tenebrescence. The fluorescent community reserve the name Hackmanite for Tenebrescent sodalites.

Sodalite group.

Originally described from Tawa valley, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia.

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Classification of Hackmanite

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Chemical Properties of Hackmanite

Formula:
Na
 
8
Al
 
6
Si
 
6
O
 
24
(Cl
 
2
,S)
Essential elements:Al, Cl, Na, O, Si
All elements listed in formula:Al, Cl, Na, O, S, Si

Other Names for Hackmanite

Other Languages:
German:Hackmanit
Simplified Chinese:紫方钠石
Spanish:Hackmanita

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.

Internet Links for Hackmanite

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  • Specimens:The following Hackmanite specimens are currently listed for sale on minfind.com.
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  • Localities for Hackmanite

    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.
    (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.
    Afghanistan
     
    • Badakhshan Province (Badakshan Province; Badahsan Province)
      • Khash & Kuran Wa Munjan Districts
    [www.thamesvalleyminerals.com]
    Rob Lavinsky
    Burma (Myanmar)
     
    • Mandalay Division
      • Pyin-Oo-Lwin District
        • Mogok Township
          • Marble Ark
    Ted Themelis (2008) Gems & mines of Mogok
          • Mogok Valley
            • Dattaw Hill
    Ted Themelis (2008) Gems & mines of Mogok
    Ted Themelis (2008) Gems & mines of Mogok
    Ted Themelis (2008) Gems & mines of Mogok
    Knut Eldjarn specimen
    Sieghard Ellenberger data; Ted Themelis (2008) Gems and Mines of Mogok
    Ted Themelis (2008) Gems & mines of Mogok
    Canada
     
    • Ontario
      • Hastings Co.
        • Dungannon Township
    [Bancroft & District Mineral Collecting Guidebook]
    mineralogical association of Canada website.
    [Bancroft & District Mineral Collecting Guidebook]
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    Peterson, R.C. (1983), The structure of hackmanite, a variety of sodalite, from Mont St-Hilaire, Quebec. Canadian Mineralogist: 21: 549-552.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Igaliku (Igaliko)
          • Narssârssuk (Narsarsuk)
            • Narsaarsuup Qaava
    [MinRec 33:165]
    Guinea
     
    • Los Archipelago (Los Islands)
    Norway
     
    • Telemark
      • Porsgrunn
        • Mørje
          • Sagåsen
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp.
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp.
    • Vestfold
      • Larvik
        • Tvedalen
    Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Kukisvumchorr Mt
    Shlyukova Z.V. (1986) Mineralogy of contact formations of Khibina massif, - Moscow, Nauka, p. 96 (in Rus.)
          • Lovozero Massif
            • Alluaiv Mt
    Pavel M. Kartashov data
              • Umbozero mine (Umba mine)
    Pavel M. Kartashov data
            • Chinglusuai River Valley
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Karnasurt Mt
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    No reference listed
    USA
     
    • Arkansas
      • Hot Spring Co.
    AmMin 26:437
    • New Hampshire
      • Carroll Co.
        • Moultonborough
    Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.55
    • New Jersey
      • Sussex Co.
        • Wantage Township
          • Libertyville
    Rutgers Univ. Bull. #5, Pt 1:53-54.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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: 22nd Apr 2013 17:55:32
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