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UM1990-25-O:ClPbS
Valid as an unnamed mineral
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Formula:
Pb4O3(Cl,SO4)2
Colour:
pink
Crystal System:
Monoclinic
Chemically related to mendipite, sundiusite, 'lorettoite', and 'Unnamed (Pb Oxide Chloride)'.
Related to nadorite group.
Found as glassy blebs, 1-2 mm in size, and aggregates intimately intergrown with mendipite, which is partly altered to hydrocerussite.
Related to nadorite group.
Found as glassy blebs, 1-2 mm in size, and aggregates intimately intergrown with mendipite, which is partly altered to hydrocerussite.
Unique Identifiers
Mindat ID:
51813
Long-form identifier:
mindat:1:1:51813:4
IMA Classification of UM1990-25-O:ClPbS
IMA status notes:
Unnamed (probably valid)
Physical Properties of UM1990-25-O:ClPbS
Colour:
Pink
Cleavage:
Perfect
{001}
{001}
Optical Data of UM1990-25-O:ClPbS
Type:
Biaxial
Comments:
probably optically negative
Chemistry of UM1990-25-O:ClPbS
Mindat Formula:
Pb4O3(Cl,SO4)2
Elements listed:
Crystallography of UM1990-25-O:ClPbS
Crystal System:
Monoclinic
Cell Parameters:
a = 3.954(3) Å, b = 3.933(5) Å, c = 13.119(5) Å
β = 91.11(4)°
β = 91.11(4)°
Ratio:
a:b:c = 1.005 : 1 : 3.336
Unit Cell V:
203.98 ų (Calculated from Unit Cell)
Comment:
pseudotetragonal subcell
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.77 Å | (80b) |
| 2.952 Å | (100) |
| 2.897 Å | (100) |
| 2.785 Å | (100) |
| 1.743 Å | (40) |
| 1.701 Å | (40) |
Comments:
pattern similar to Pb3.6O4Cl1.6 (PDF 21-473)
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.
Internet Links for UM1990-25-O:ClPbS
mindat.org URL:
https://www.mindat.org/min-51813.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for UM1990-25-O:ClPbS
Reference List:
Rouse, R. C. and Dunn, P. J. (1990): A new lead sulfate oxychloride related to the nadorite group from Brilon, Germany. Neues Jahrbuch für Mineralogie, Monatshefte 1990, 337-342.(Abs. in: Jambor, J.L., Puziewicz, J. (1991): New mineral Names. American Mineralogist: 76: 1733)
Localities for UM1990-25-O:ClPbS
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Germany | |
| Rouse et al. (1990) +1 other reference |
