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Unnamed (Pb Oxysulphate Hydrate)

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3PbO · PbSO4 · H2O
Formula is also written Pb4O3SO4.H2O.
White to colourless, lath-shaped (pseudo-orthorhombic) crystals up to 0.7 mm; asssociated with hydrocerussite; formed by anthropogenous processes (concrete used in mine) (Clara mine, Black Forest; Kolitsch, 2000). Subsequent finds show an association with plumbonacrite (Kolitsch, unpubl. data).

Also recently found in a Pb-rich slag from Austria (Kolitsch, data from 2012, in prep.).

Well-known as a synthetic phase (Kuzel, 1973; Steele et al., 1997).

Classification of Unnamed (Pb Oxysulphate Hydrate)

Intermediate member of a solid-solution series

Chemical Properties of Unnamed (Pb Oxysulphate Hydrate)

3PbO · PbSO4 · H2O

Formula is also written Pb4O3SO4.H2O.
Elements listed in formula:

Crystallography of Unnamed (Pb Oxysulphate Hydrate)

Crystal System:
Class (H-M):
1 - Pinacoidal
Cell Parameters:
a = 6.378(1) Å, b = 7.454(2) Å, c = 10.308(2) Å
α = 75.26(3)°, β = 79.37(3)°, γ = 88.16(3)°
a:b:c = 0.856 : 1 : 1.383
Unit Cell Volume:
V 465.74 ų (Calculated from Unit Cell)
Elongate lath-shaped crystals.
Cell data from Steele et al. (1997).

Other Information

Health Risks:
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 Oxysulphate Hydrate)

Reference List:
Kuzel, H.-J. (1973): Hydrothermalsynthese basischer Bleisulfate. – N. Jb. Mineral. Mh. 1973, 110-116. (in German)

Steele, I. M., Pluth, J. J. & Richardson, jr., J. W. (1997): Crystal structure of tribasic lead sulfate (3PbO.PbSO4.H2O) by X-rays and neutrons: an intermediate phase in the production of lead acid batteries. J. Solid State Chem. 132, 173-181.

U. Kolitsch (2000): An assemblage of lead compounds originated due to the influence of concrete from the Clara mine in Middle Black Forest. Erzgräber 14, 48-53. (in German)

Internet Links for Unnamed (Pb Oxysulphate Hydrate) URL:
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Localities for Unnamed (Pb Oxysulphate Hydrate)

This 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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
  • Liège Province
    • Verviers
      • Plombières-Vieille Montagne-Moresnet (Plombières-Altenberg-Moresnet) mining district
        • Plombières (Blieberg; Bleiberg; Bleyberg)
Blaß, G. & Graf, H. W. (1995b): Neufunde von Schlackenhalden in der nördlichen Eifel (II). Mineralien-Welt, 6 (3), 28-31.
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
U. Kolitsch (2000): An assemblage of lead compounds originated due to the influence of concrete from the Clara mine in Middle Black Forest. Erzgräber 14, 48-53. (in German)
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