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Plumboselite

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Formula:
Pb3O2(SeO3)
Colour:
Colourless
Lustre:
Adamantine, Dull
Hardness:
2 - 3
Specific Gravity:
7.814 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for the chemical composition, Pb - plumbo, Se - selite.
A lead selenite.
Known also as a synthetic compound (Krivovichev et al., 2004; Kim et al., 2009).


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Classification of PlumboseliteHide

Approved
Approval Year:
2010

Physical Properties of PlumboseliteHide

Adamantine, Dull
Transparency:
Transparent
Comment:
Dull to adamantine
Colour:
Colourless
Hardness:
2 - 3 on Mohs scale
Hardness Data:
Estimated
Tenacity:
Brittle
Density:
7.814 g/cm3 (Calculated)

Optical Data of PlumboseliteHide

Type:
Biaxial

Chemical Properties of PlumboseliteHide

Formula:
Pb3O2(SeO3)

Crystallography of PlumboseliteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Cmc21
Cell Parameters:
a = 10.5381(11) Å, b = 10.7452(13) Å, c = 5.7577(7) Å
Ratio:
a:b:c = 0.981 : 1 : 0.536
Unit Cell V:
651.98 ų
Z:
4
Morphology:
Fibres, elongated parallel to [001] and flattened on {010}, with {010} the only form observed.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.155 (100)
2.886 (22)
2.691 (17)
1.956 (26)
1.713 (21)

Type Occurrence of PlumboseliteHide

General Appearance of Type Material:
Colourless fibres up to 0.3 mm in length, but not exceeding 5 μm in width and 2 μm in thickness

Synonyms of PlumboseliteHide

Other InformationHide

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 PlumboseliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kampf, A. R., Mills, S. J., & Pinch, W. W. (2011): Plumboselite, Pb3O2(SeO3), a new oxidation zone mineral from Tsumeb, Namibia. Mineralogy and Petrology, 101, 75–80.

Internet Links for PlumboseliteHide

Localities for PlumboseliteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Namibia (TL)
 
  • Oshikoto Region (Otjikoto Region)
    • Tsumeb
Kampf, A. R., Mills, S. J., & Pinch, W. W. (2011): Plumboselite, Pb3O2(SeO3), a new oxidation zone mineral from Tsumeb, Namibia. Mineralogy and Petrology, 101, 75–80.
Mineral and/or Locality  
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