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Unnamed (Pb Arsenite Chloride)

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Formula:
Pb
 
5
(AsO
 
3
)Cl
 
7
System:OrthorhombicColour:Colourless


Anthropogenic arsenite compound found in slags.

Classification of Unnamed (Pb Arsenite Chloride)

IMA status:Not Approved
mindat.org URL:http://www.mindat.org/min-41250.html
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Physical Properties of Unnamed (Pb Arsenite Chloride)

Lustre:Adamantine
Colour:Colourless

Crystallography of Unnamed (Pb Arsenite Chloride)

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pbcn {P21/b 2/c 21/n}
Cell Parameters:a = 16.894(2) Å, b = 10.913(1) Å, c = 16.760(2) Å
Ratio:a:b:c = 1.548 : 1 : 1.536
Unit Cell Volume:V 3090.1 ų
Z:8
Morphology:Blocky, short prismatic, acicular.

Chemical Properties of Unnamed (Pb Arsenite Chloride)

Formula:
Pb
 
5
(AsO
 
3
)Cl
 
7
Essential elements:As, Cl, O, Pb
All elements listed in formula:As, Cl, O, Pb

Other Names for Unnamed (Pb Arsenite Chloride)

Synonyms:
R42
Other Languages:

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 (Pb Arsenite Chloride)

Reference List:

- +
Perchiazzi, N. & Rewitzer, C. (1995): Die weltbesten Barstowite und ein neues Sekundärmineral aus Lavrion, Griechenland. Lapis 20 (4), 30-31. [as "R42", with incorrect cell and space group]

Siidra, O.I., Krivovichev, S.V., Chukanov, N.V., Pekov, I.V., Magganas, A., Katerinopoulos, A., Voudouris, P. (2011): The crystal structure of Pb5(As3+O3)Cl7 from the historic slags of Lavrion, Greece – a novel Pb(II) chloride arsenite. Mineralogical Magazine, 75, 337-345.

Kolitsch, U. & Weil, M., unpublished structure solution and Raman spectra

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    • Localities for Unnamed (Pb Arsenite Chloride)

    Hide Locality List
    (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.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District slag localities
          • Puntazeza area (Punta Zeza area)
    		Siidra, O.I., Krivovichev, S.V., Chukanov, N.V., Pekov, I.V., Magganas, A., Katerinopoulos, A., Voudouris, P. (2011): The crystal structure of Pb5(As3+O3)Cl7 from the historic slags of Lavrion, Greece – a novel Pb(II) chloride arsenite. Mineralogical Magazine, 75, 337-345.
          • Vrissaki area
    		Kolitsch, U. & Weil, M., unpublished data
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