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Unnamed (Pb2(OH)3(NO3))

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Big Photo

Altemann cliff, Sehringen, Badenweiler Pb mining District, Badenweiler, Black Forest, Baden-Württemberg, Germany
© Stephan Wolfsried

Show Unnamed (Pb2(OH)3(NO3)) Photos (2)



Formula:
Pb
 
2
(OH)
 
3
(NO
 
3
)
System:Orthorhombic


Anthropogenic lead hydroxide nitrate (formed on late medieval mine dumps due to the use of nitrate explosives) described by Kolitsch & Tillmanns (2003).

Forms colourless to white laths. Often associated with pseudo-octahedral Unnamed (Pb13O8(OH)6(NO3)4).
Insoluble in hot water.

Also recently found in a Pb-rich slag (Kolitsch, data from 2012, to be published).


Classification of Unnamed (Pb2(OH)3(NO3))

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Crystallography of Unnamed (Pb2(OH)3(NO3))

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Immm {I2/m 2/m 2/m}
Cell Parameters:a = 8.314(2) Å, b = 8.545(2) Å, c = 17.21(2) Å
Ratio:a:b:c = 0.973 : 1 : 2.014
Unit Cell Volume:V 1222.7 ų
Z:8

Chemical Properties of Unnamed (Pb2(OH)3(NO3))

Formula:
Pb
 
2
(OH)
 
3
(NO
 
3
)
Essential elements:H, N, O, Pb
All elements listed in formula:H, N, O, Pb

Other Names for Unnamed (Pb2(OH)3(NO3))

Synonyms:
Unnamed (Pb Nitrate I)
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 (Pb2(OH)3(NO3))

Reference List:

- +
Walenta, K. (1998) Neue Mineralfunde aus dem Schwarzwald. 7. Folge, 2. Teil. Lapis, 23 (12), 43-48. (in German)

U. Kolitsch and E. Tillmanns (2003): The crystal structure of anthropogenic Pb2(OH)3(NO3), and a review of Pb-(O,OH) clusters and lead nitrates. Mineral. Mag. 67, 79-93.

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    • Localities for Unnamed (Pb2(OH)3(NO3))

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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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Badenweiler
          • Badenweiler Pb mining District
            • Sehringen
    		Walenta, K. (1998) Neue Mineralfunde aus dem Schwarzwald. 7. Folge, 2. Teil. Lapis, 23 (12), 43-48. (in German); U. Kolitsch and E. Tillmanns (2003): The crystal structure of anthropogenic Pb2(OH)3(NO3), and a review of Pb-(O,OH) clusters and lead nitrates. Mineral. Mag. 67, 79-93.
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