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Blixite

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Formula:
Pb2(O,OH)2Cl
Krivovichev & Burns (2006) suggest the formula to be Pb8O5(OH)2Cl4.
System:
Orthorhombic
Colour:
Pale yellow, ...
Lustre:
Vitreous, Dull
Hardness:
3
Name:
For Dr. Ragnar Blix (1898-1985), chemist at the Swedish Museum of Natural History, who performed analyses of many Långban minerals.
This page provides mineralogical data about Blixite.


Classification of Blixite

Approved, 'Grandfathered' (first described prior to 1959)
3.DC.50

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
10.2.4.1

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
8.8.11

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb

Physical Properties of Blixite

Vitreous, Dull
Diaphaneity (Transparency):
Translucent
Colour:
Pale yellow, yellow-orange to greyish yellow
Streak:
Pale yellow
Hardness (Mohs):
3
Cleavage:
Distinct/Good
in one direction
Density:
7.35 g/cm3 (Measured)    

Optical Data of Blixite

Type:
Biaxial (+)
RI values:
nα = 2.050 nγ = 2.200
2V:
Measured: 80°
Max Birefringence:
δ = 0.150
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v, strong

Chemical Properties of Blixite

Formula:
Pb2(O,OH)2Cl

Krivovichev & Burns (2006) suggest the formula to be Pb8O5(OH)2Cl4.
IMA Formula:
Pb8O5(OH)2Cl4
Elements listed in formula:
Analytical Data:
Chemical analysis of material from Långban, Sweden
PbO    (69.50)
CaO     (0.30)
PbCl2  (30.16)
H2O     (0.79)

sum    100.75 wt.-%
Common Impurities:
Ca,Cu,Fe,Zn

Crystallography of Blixite

Crystal System:
Orthorhombic
Cell Parameters:
a = 5.832 Å, b = 5.694 Å, c = 25.47 Å
Ratio:
a:b:c = 1.024 : 1 : 4.473
Unit Cell Volume:
V 845.79 ų (Calculated from Unit Cell)
Z:
8
Morphology:
Massive, in films
X-Ray Powder Diffraction Data:
d-spacingIntensity
2.93 (10)
3.88 (8)
1.660 (8)
2.83 (6)
2.12 (6)
2.04 (6)
3.18 (5)
Comments:
Recorded on material from Långban, Sweden

Occurrences of Blixite

Type Occurrence of Blixite

General Appearance of Type Material:
Massive
Place of Conservation of Type Material:
Swedish Museum of Natural History, Stockholm, Sweden (No. 251539)
National Museum of Natural History, Washington, D.C., USA (No. 114720)
Geological Setting of Type Material:
In hausmannite-rich dolomite and manganophyllite skarn in a metamorphosed Fe-Mn orebody
Empirical Formula:
(Pb1.95Ca0.02)=1.97Cl1.02[O1.27(OH)0.41]=1.68
Associated Minerals at Type Locality:

Relationship of Blixite to other Species

3.DC.05LaurionitePbCl(OH)
3.DC.05ParalaurionitePbCl(OH)
3.DC.10FiedleritePb3FCl4(OH) · H2O
3.DC.15PenfielditePb2Cl3(OH)
3.DC.20LaurelitePb7F12Cl2
3.DC.25Bismoclite(BiO)Cl
3.DC.25Daubréeite(BiO)(OH,Cl)
3.DC.25MatlockitePbFCl
3.DC.25RorisiteCaFCl
3.DC.25Zavaritskite(BiO)F
3.DC.25ZhangpeishaniteBaFCl
3.DC.30NadoritePbSbClO2
3.DC.30PeritePbBiClO2
3.DC.35AravaipaitePb3AlF9 · H2O
3.DC.37CalcioaravaipaitePbCa2AlF9
3.DC.40ThorikositePb3Cl2(OH)(SbO3,AsO3)
3.DC.45MereheaditePb47Cl25(OH)13O24(CO3)(BO3)2
3.DC.55PinalitePb3WO5Cl2
3.DC.60SymesitePb10(SO4)O7Cl4 · H2O
3.DC.65EcdemitePb6Cl4(As2O7)
3.DC.65HeliophyllitePb6Cl4(As2O7)
3.DC.70MendipitePb3Cl2O2
3.DC.75DamaraitePb3Cl(OH)O2
3.DC.80OnoratoiteSb8Cl2O11
3.DC.85CotunnitePbCl2
3.DC.90PseudocotunniteK2PbCl4
3.DC.95BarstowitePb4Cl6(CO3) · H2O
8.8.1AbhuriteSn21Cl16(OH)14O6
8.8.2MatlockitePbFCl
8.8.3LaurelitePb7F12Cl2
8.8.4CotunnitePbCl2
8.8.5MendipitePb3Cl2O2
8.8.6DamaraitePb3Cl(OH)O2
8.8.7LaurionitePbCl(OH)
8.8.8ParalaurionitePbCl(OH)
8.8.9PenfielditePb2Cl3(OH)
8.8.10FiedleritePb3FCl4(OH) · H2O
8.8.12PseudocotunniteK2PbCl4
8.8.13DiaboleitePb2CuCl2(OH)4
8.8.14PseudoboleitePb31Cu24Cl62(OH)48
8.8.15ChloroxiphitePb3CuO2Cl2(OH)2
8.8.17BideauxitePb2AgCl3(F,OH)2
8.8.18BoleiteKPb26Ag9Cu24(OH)48Cl62
8.8.19AravaipaitePb3AlF9 · H2O
8.8.20YedlinitePb6Cr3+Cl6(O,OH,H2O)8
8.8.21KolaritePbTeCl2
8.8.22HematophanitePb4Fe3O8(OH,Cl)

Other Names for Blixite

Name in Other Languages:
German:Blixit
Spanish:Blixita

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.

References for Blixite

Reference List:
Gabrielson, O., Parwel, A. and Wickman, F. E. (1958): Blixite, a new lead-oxyhalide mineral from Långban. Arkiv Mineral. Geol. 2(32), 411-415. - American Mineralogist (1960), 45, 908 (abstract).

Scott, K. M. (1994): Lead oxychlorides at Elura, western NSW, Australia. Mineralogical Magazine 58, 336-338.

Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 67.

Krivovichev, S. V.; Burns, P. C. (2006): The crystal structure of Pb8O5(OH)2Cl4, a synthetic analogue of blixite? Canadian Mineralogist 44, 515-522.

Internet Links for Blixite

mindat.org URL:
https://www.mindat.org/min-696.html
Please feel free to link to this page.

Localities for Blixite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Australia
 
  • New South Wales
    • Robinson Co.
      • Cobar
Scott, K. M. (1994): Lead oxychlorides at Elura, western NSW, Australia. Mineralogical Magazine 58, 336-338.; Chapman, J. & Scott, K. (2005): Supergene minerals from the oxidised zone of the Elura (Endeavor) lead-zinc-silver deposit. Australian Journal of Mineralogy, 11, 83-90. ; Loidl, Gernot C. (2012) The Elura Orebody: a multidisciplinary study investigating geochemical mineralogical & geometallurgical ore characteristics. PhD thesis Adelaide University; Leverett, P., McKinnon, A. R., & Williams, P. A. (2005). Supergene geochemistry of the Endeavor ore body, Cobar, NSW, and relationships to other deposits in the Cobar basin. Regolith 2005–Ten Years of CRC LEME, 191-194.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
Grolig, H. & Grolig, E. (1978): Lavrion in Attika. Lapis, 3 (5), 16-25; 40 (in German).
        • Passa Limani area
Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals of the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
        • Sounion area
Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian, (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
        • Thorikos area
Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
        • Vrissaki area
Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands
Sweden (TL)
 
  • Värmland
    • Filipstad
Arkiv Min.Geol.(1958) 2, 411-415; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
Adolfsson, S. G. (1979): Notes on Recent Underground Collecting at Långban. Mineralogical Record. 10: 215-217
UK
 
  • England
    • Somerset
      • Cranmore
Alabaster, C.J. (1975): Proc. Bristol Nat. Soc. 34, 89, 92.; Mineralogical Magazine (1977): 41: 406-408; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177.; Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 67; Turner, R.W., (2006) A Mechanism for the formation of the Mineralised Mn Deposits at Merehead Quarry, Cranmore, Somerset, England. Mineralogical Magazine vol. 70, no. 6, pp 629 - 653; Turner, R.W. and Rumsey, M.S. (2010): Mineral Relationships in the Mendip Hills. Journal of the Russell Society, vol 13, pp 3-46.
Mineral and/or Locality  
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