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Arctowskite

Formula:
Al
 
9
(PO
 
4
)
 
8
(OH)
 
3
·27H
 
2
O
System:OrthorhombicColour:white
Name:Named for Henryk Arctowski (1871-1958), Polish Antarctic researcher in the Belgica Antartic Expedition (1897-1899). The Polish Antarctic research station is named for him, as well as Arctowski Peak and Arctowski Peninsula.


Plastic 'clay' of well-defined rhombohedral crystals 2-5 pm in dimension, usually twinned in books, in taranakite.
Originally described from Low Head, King George Island, South Shetland Islands, Antarctic Peninsula, Western Antarctica, Antarctica.

Classification of Arctowskite

IMA status:Questionable/Doubtful
Explanation of status:poorly characterized.
mindat.org URL:http://www.mindat.org/min-31715.html
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Physical Properties of Arctowskite

Colour:white

Crystallography of Arctowskite

Crystal System:Orthorhombic
X-Ray Powder Diffraction:
d-spacingIntensity
11.47 (70)
11.21 (100)
7.79 (90)
7.56 (70)

Chemical Properties of Arctowskite

Formula:
Al
 
9
(PO
 
4
)
 
8
(OH)
 
3
·27H
 
2
O
All elements listed in formula:Al, H, O, P

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 Arctowskite

Reference List:A. Tatur & A. Keck, "Phosphates in ornithogenic soils of the maritime Antarctic", Proc. NIPR Symp. Polar Biol. 3, 133-150(1990)

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    Localities for Arctowskite

    (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.
    Antarctica
     
    • Western Antarctica
      • Antarctic Peninsula
        • South Shetland Islands
          • King George Island
    		Proc. NIPR Symp. Polar Biol., 3,133-150(1990)
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 17th Nov 2009 21:28:13