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Unnamed (Pb Oxysulphate Hydrate)
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| Formula: |
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| Formula is also written Pb4O3SO4.H2O. | ||||||||||||
| System: | Triclinic | |||||||||||
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) | ||||||||||
| IMA status: | Hypothetical Mineral | |||||||||
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| mindat.org URL: | http://www.mindat.org/min-29042.html Please feel free to link to this page. | |||||||||
Crystallography of Unnamed (Pb Oxysulphate Hydrate) | ||||||||||
| Crystal System: | Triclinic | |||||||||
| 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)° | |||||||||
| Ratio: | a:b:c = 0.856 : 1 : 1.383 | |||||||||
| Unit Cell Volume: | V 465.74 ų (Calculated from Unit Cell) | |||||||||
| Morphology: | Elongate lath-shaped crystals. | |||||||||
| Comment: | Cell data from Steele et al. (1997). | |||||||||
Chemical Properties of Unnamed (Pb Oxysulphate Hydrate) | ||||||||||
| Formula: |
Formula is also written Pb4O3SO4.H2O. | |||||||||
| Essential elements: | H, O, Pb, S | |||||||||
| All elements listed in formula: | H, O, Pb, S | |||||||||
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 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) | ||||||||||
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Localities for Unnamed (Pb Oxysulphate Hydrate) | ||||||||||
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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.
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