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Blixite

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Långban, Filipstad, Värmland, Sweden
© 2009 ROM

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Formula:
Pb
 
2
[(O,OH)
 
2
|Cl]
System:OrthorhombicColour:Pale yellow, ...
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

IMA status:Approved
Strunz 8th edition ID:3/D.10-50
Nickel-Strunz 10th (pending) edition ID:3.DC.50

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
Dana 8th edition ID:10.2.4.1

10 : OXYHALIDES AND HYDROXYHALIDES
2 : A(O,OH)Xq
Hey's CIM Ref.:8.8.11

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

Type Locality:Långban, Filipstad, Värmland, Sweden
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
Associated Minerals at type locality:
ManganophylliteHausmanniteDolomiteCopper

Occurrences of Blixite

Geological Setting:Reaction product of slags immersed in sea water

Physical Properties of Blixite

Lustre: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 (measured):7.35 g/cm3

Crystallography of Blixite

Crystal System:Orthorhombic
Cell Parameters:a = 5.832Å, b = 5.694Å, c = 25.47Å
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:
d-spacingIntensity
2.93 (10)
3.88 (8)
1.660 (8)
2.83 (6)
2.12 (6)
2.04 (6)
Comments:Recorded on material from Långban, Sweden

Optical Data of Blixite

Type:Biaxial (+)
RI values: nα = 2.050 nγ = 2.200
2V:Measured: 80°
Maximum Birefringence:δ = 0.150

Chart 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:
Pb
 
2
[(O,OH)
 
2
|Cl]
Essential elements:Cl, O, Pb
All elements listed in formula:Cl, H, O, Pb
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.-%
Empirical Formula:
(Pb
 
1.95
Ca
 
0.02
)
 
=1.97
Cl
 
1.02
[O
 
1.27
(OH)
 
0.41
]
 
=1.68
Common Impurities:Ca,Cu,Fe,Zn

Relationship of Blixite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DC.05Laurionite
PbClOH
3.DC.05Paralaurionite
PbClOH
3.DC.10Fiedlerite
Pb
 
3
Cl
 
4
F(OH)·H
 
2
O
3.DC.15Penfieldite
Pb
 
2
[OH|Cl
 
3
]
3.DC.20Laurelite
Pb(F,Cl,OH)
 
2
3.DC.25Bismoclite
BiOCl
3.DC.25Daubréeite
BiO(OH,Cl)
3.DC.25Matlockite
PbFCl
3.DC.25Rorisite
CaFCl
3.DC.25Zavaritskite
BiOF
3.DC.25Zhangpeishanite
BaFCl
3.DC.30Nadorite
PbSb[O
 
2
|Cl]
3.DC.30Perite
PbBi[O
 
2
|Cl]
3.DC.35Aravaipaite
Pb
 
3
[F
 
3
|AlF
 
6
] · H
 
2
O
3.DC.37Calcioaravaipaite
PbCa
 
2
[(F,OH)
 
3
|AlF
 
6
] · H
 
2
O
3.DC.40Thorikosite
Pb
 
3
[OH|(SbO
 
3
,AsO
 
3
)|Cl
 
2
]
3.DC.45Mereheadite
Pb
 
47
O
 
24
(OH)
 
13
Cl
 
25
(BO
 
3
)
 
2
(CO3)
3.DC.55Pinalite
Pb
 
3
WO
 
5
Cl
 
2
3.DC.60Symesite
Pb
 
10
[O
 
7
|SO
 
4
|Cl
 
4
] · H
 
2
O
3.DC.65Ecdemite
Pb
 
6
[As
 
2
O
 
7
|Cl
 
4
]
3.DC.65Heliophyllite
Pb
 
3
AsO
 
4-n
Cl
 
2n+1
3.DC.70Mendipite
Pb
 
3
[O
 
2
|Cl
 
2
]
3.DC.75Damaraite
Pb
 
3
[O
 
2
|OH|Cl]
3.DC.80Onoratoite
Sb
 
8
O
 
11
Cl
 
2
3.DC.85Cotunnite
PbCl
 
2
3.DC.90Pseudocotunnite
K
 
2
PbCl
 
4
3.DC.95Barstowite
Pb
 
4
[Cl
 
6
|CO
 
3
] · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
8.8.1Abhurite
Sn
 
21
Cl
 
16
(OH)
 
14
O
 
6
8.8.2Matlockite
PbFCl
8.8.3Laurelite
Pb(F,Cl,OH)
 
2
8.8.4Cotunnite
PbCl
 
2
8.8.5Mendipite
Pb
 
3
[O
 
2
|Cl
 
2
]
8.8.6Damaraite
Pb
 
3
[O
 
2
|OH|Cl]
8.8.7Laurionite
PbClOH
8.8.8Paralaurionite
PbClOH
8.8.9Penfieldite
Pb
 
2
[OH|Cl
 
3
]
8.8.10Fiedlerite
Pb
 
3
Cl
 
4
F(OH)·H
 
2
O
8.8.12Pseudocotunnite
K
 
2
PbCl
 
4
8.8.13Diaboleite
Pb
 
2
CuCl
 
2
(OH)
 
4
8.8.14Pseudoboleite
Pb
 
31
Cu
 
24
Cl
 
62
(OH)
 
48
8.8.15Chloroxiphite
Pb
 
3
CuO
 
2
Cl
 
2
(OH)
 
2
8.8.17Bideauxite
Pb
 
2
Ag[(F,OH)
 
2
|Cl
 
3
]
8.8.18Boleite
KPb
 
26
Ag
 
9
Cu
 
24
(OH)
 
48
Cl
 
62
8.8.19Aravaipaite
Pb
 
3
[F
 
3
|AlF
 
6
] · H
 
2
O
8.8.20Yedlinite
Pb
 
6
(Cl,OH)
 
6
Cr
3+
 
(OH,O)
 
8
8.8.21Kolarite
PbTeCl
 
2
8.8.22Hematophanite
Pb
 
4
Fe
 
3
O
 
8
(OH,Cl)

Other Names for Blixite

Other Languages:
German:Blixit
Spanish:Blixita

Other Information

Health Warning: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.

Internet Links for Blixite

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  • Raman and XRD data at RRUFF project
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  • Blixite details from Handbook of Mineralogy (PDF)
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    Localities for Blixite

    Hide Locality List
    The 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. ? 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
          • Booroondarra
    		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.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District slag localities
          • 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
     
    • 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.
    UK
     
    • England
      • Somerset
        • Cranmore
    		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. Min. Mag. vol. 70, no. 6, pp 629 - 653; Mineralogical Magazine 1977 41 : 406-408.
    Mineral and/or Locality
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