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Unnamed (Orthorhombic dimorph of Barstowite)

Formula:
Pb
 
4
[Cl
 
6
|CO
 
3
] · H
 
2
O
System:Orthorhombic


Found in lead-rich slags.
Visually indistinguishable from barstowite.

Classification of Unnamed (Orthorhombic dimorph of Barstowite)

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Crystallography of Unnamed (Orthorhombic dimorph of Barstowite)

Crystal System:Orthorhombic
Class (H-M):mm2 - Pyramidal
Space Group:Pmn21
Cell Parameters:a = 9.208(2) Å, b = 16.654(3) Å, c = 4.206(1) Å
Ratio:a:b:c = 0.553 : 1 : 0.253
Unit Cell Volume:V 645 ų
Z:2

Chemical Properties of Unnamed (Orthorhombic dimorph of Barstowite)

Formula:
Pb
 
4
[Cl
 
6
|CO
 
3
] · H
 
2
O
Essential elements:C, Cl, H, O, Pb
All elements listed in formula:C, Cl, H, O, Pb

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 Unnamed (Orthorhombic dimorph of Barstowite)

Reference List:U. Kolitsch and H. Pristacz (2009): An orthorhombic dimorph of barstowite, Pb4Cl6(CO3)•H2O, from slags at Maria Waitschach, Austria, and Lavrion, Greece. Poster, Joint MinPet 2009 and 4th MSCC, Budapest, Hungary, September 7-11; abstract in Mitt. Österr. Mineral. Ges. 155, 83.

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    Localities for Unnamed (Orthorhombic dimorph of Barstowite)

    (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.
    Austria
     
    • Carinthia
      • Friesach - Hüttenberg area
        • Hüttenberg
          • Waitschach
    		U. Kolitsch and H. Pristacz (2009): An orthorhombic dimorph of barstowite, Pb4Cl6(CO3)•H2O, from slags at Maria Waitschach, Austria, and Lavrion, Greece. Poster, Joint MinPet 2009 and 4th MSCC, Budapest, Hungary, September 7-11; abstract in Mitt. Österr. Mineral. Ges. 155, 83.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District slag localities
          • Vrissaki area
    		U. Kolitsch and H. Pristacz (2009): An orthorhombic dimorph of barstowite, Pb4Cl6(CO3)•H2O, from slags at Maria Waitschach, Austria, and Lavrion, Greece. Poster, Joint MinPet 2009 and 4th MSCC, Budapest, Hungary, September 7-11; abstract in Mitt. Österr. Mineral. Ges. 155 (in press)
    Mineral and/or Locality
    Google
     
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