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Seeligerite

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Formula:
Pb3(IO3)OCl3
Colour:
Bright yellow
Lustre:
Vitreous, Waxy
Crystal System:
Orthorhombic
Name:
Named after Erich Seeliger, Professor of Mineralogy, Technical University, Berlin, Germany.
This page provides mineralogical data about Seeligerite.


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Classification of SeeligeriteHide

Approved
4.KB.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
K : Iodates: Trigonal [IO3] pyramids (mostly).
B : Iodates with additional anions, without H2O
Dana 7th ed.:
22.1.2.1
22.1.2.1

22 : IODATES CONTAINING HYDROXYL OR HALOGEN
1 : Miscellaneous
29.6

29 : Iodates

Physical Properties of SeeligeriteHide

Vitreous, Waxy
Colour:
Bright yellow

Optical Data of SeeligeriteHide

Type:
Biaxial (-)
RI values:
nα = 2.120 nβ = 2.320 nγ = 2.320
2V:
Measured: 4°
Max Birefringence:
δ = 0.200
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v

Chemical Properties of SeeligeriteHide

Formula:
Pb3(IO3)OCl3
IMA Formula:
Pb3(IO4)Cl3

Crystallography of SeeligeriteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Cmm2
Cell Parameters:
a = 7.971(2) Å, b = 7.976(2) Å, c = 27.341(5) Å
Ratio:
a:b:c = 0.999 : 1 : 3.428
Unit Cell V:
1738.3 ų
Z:
8
Comment:
The TEM investigation has revealed additional superlattice reflections.

Type Occurrence of SeeligeriteHide

Synonyms of SeeligeriteHide

Other Language Names for SeeligeriteHide

German:Seeligerit
Spanish:Seeligerita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Schwartzembergite3 photos of Seeligerite associated with Schwartzembergite on mindat.org.
Boleite3 photos of Seeligerite associated with Boleite on mindat.org.
Pseudoboleite3 photos of Seeligerite associated with Pseudoboleite on mindat.org.
Wulfenite2 photos of Seeligerite associated with Wulfenite on mindat.org.
Phoenicochroite2 photos of Seeligerite associated with Phoenicochroite on mindat.org.
Iranite1 photo of Seeligerite associated with Iranite on mindat.org.
Diaboleite1 photo of Seeligerite associated with Diaboleite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.KB.05SalesiteCu(IO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
4.KB.10SchwartzembergitePb5H2(IO2)O4Cl3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

29.1SalesiteCu(IO3)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
29.2BellingeriteCu3(IO3)6 · 2H2OTric. 1 : P1
29.3LautariteCa(IO3)2Mon. 2/m : P21/b
29.4BrüggeniteCa(IO3)2 · H2OMon.
29.5DietzeiteCa2(IO3)2(CrO4) · H2OMon. 2/m : P21/b
29.7SchwartzembergitePb5H2(IO2)O4Cl3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
29.8HectorfloresiteNa9(SO4)4(IO3)Mon. 2/m : P21/b

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 SeeligeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1972): 57: 327-328.
Bindi, L., M. D. Welch, P. Bonazzi, G. Pratesi, & S. Menchetti (2008): The crystal structure of seeligerite, Pb3IO4Cl3, a rare Pb-I-oxychloride from the San Rafael mine, Sierra Gorda, Chile. Mineralogical Magazine 72, 771-783.

Internet Links for SeeligeriteHide

Localities for SeeligeriteHide

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.
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Antofagasta
Lukas Kruszewski collection
Arfè, G., Boni, M., Mondillo, N., Aiello, R., Balassone, G., Arseneau, V. and Soyk, D. (2016): Supergene alteration in the Capricornio Au-Ag epithermal vein system, Antofagasta Region, Chile. Can. Mineral. 54, 681-706.
      • Cerro Palestina
        • Estación Cerro Negro
          • Magallanes district
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
Peebles F./Ruiz Fuller C.(1988); "Yacimientos Metalíferos de Chile", Fondecyt, Stgo. de Chile.
      • Sierra Gorda District
        • Caracoles
Brugger J, Meisser N, Ansermat S, Krivovichev S V, Kahlenberg V, Belton D, Ryan C G (2012) Leucostaurite, Pb2[B5O9]Cl·0.5H2O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron minerals by PIGE. American Mineralogist 97, 1206-1212
Martins da Pedra collection
V. Sapienza collection
Mr. Terry Szenics; V. Sapienza collection
M. Dini specimens
Neues Jahrb.Min.,Mh.(1971) 210-217
        • Caracoles mining district
          • Quebrada Honda
Brent Thorne specimen
  • Tarapacá Region
    • El Tamarugal Province
      • Challacollo
maurizio dini collection - analysed material
Mineral and/or Locality  
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