Seligmannite (original) (raw)

A valid IMA mineral species - grandfathered

About SeligmanniteHide

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Colour:

Lead gray, dark lead gray, black

Specific Gravity:

5.38 - 5.44

Crystal System:

Orthorhombic

Name:

Named in 1901 by Heinrich Adolf Baumhauer in honor of Gustav Seligmann [May 31, 1849 Koblenz, Germany - June 28, 1920 Koblenz, Germany] mineral collector, amateur crystallographer, mineralogical author, and banker. Gustav Seligman was awarded an honorary Ph.D. in mineralogy by the University of Bonn.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:3613:5

e712343f-17b6-4602-9cc0-b7015eedfa35

IMA Classification of SeligmanniteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Type description reference:

Classification of SeligmanniteHide

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2.GA.50

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S

3.4.3.1

3 : SULFOSALTS
4 : ø = 3

5.7.1

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Physical Properties of SeligmanniteHide

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Colour:

Lead gray, dark lead gray, black

Cleavage:

Poor/Indistinct
Indistinct on the {001}, {100}, and {010}

Density:

5.38 - 5.44 g/cm3 (Measured) 5.43 g/cm3 (Calculated)

Optical Data of SeligmanniteHide

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Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 36.0%.
R1 shown in black, R2 shown in red

Colour in reflected light:

Rose-white

Chemistry of SeligmanniteHide

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Common Impurities:

Ag,Zn,Fe,Sb

Crystallography of SeligmanniteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 8.13 Å, b = 8.71 Å, c = 7.63 Å

Ratio:

a:b:c = 0.933 : 1 : 0.876

Morphology:

Crystals equant; short prismatic [001] to tabular {001}. {110} often with multiple striae (Binntal) parallel [001], [110], [111].

Twinning:

Twinning on {110} very common. Frequently exhibits polysynthetic twinning.

Comment:

Other source gives Pn21m, a = 8.076(2), b = 8.737(5), c = 7.634(3) A.

Crystallographic forms of SeligmanniteHide

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Crystal Atlas:

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3d models and HTML5 code kindly provided bywww.smorf.nl.

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Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of SeligmanniteHide

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Place of Conservation of Type Material:

Museum of Natural History, Fribourg, Switzerland, B618.

Reference:

Baumhauer, H. (1901) Über den Seligmannit, ein neues dem Bournonit homöomorphes Mineral aus dem Dolomit des Binnenthals. Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften: 1901: 110-117.

Other Language Names for SeligmanniteHide

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Traditional Chinese:硫砷鉛銅礦

Relationship of Seligmannite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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 SeligmanniteHide

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References for SeligmanniteHide

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Reference List:

Apopei, A.I., Damian, G., Buzgar, N., Buzatu, A., Andráš, P., Milovska, S. (2017) The determination of the Sb/As content in natural tetrahedrite-tennantite and bournonite-seligmannite solid solution series by Raman spectroscopy. Mineralogical Magazine: 81: 1439-1456.

Localities for SeligmanniteHide

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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

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.