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Fiedlerite

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Passa Limani Cove slag locality, Passa Limani area, Lavrion District slag localities, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
© Elmar Lackner

Show Fiedlerite Photos (17)
Formula:
Pb
 
3
Cl
 
4
F(OH)·H
 
2
O
System:MonoclinicColour:Colourless, white; ...
Hardness:3½
Name:After K.G. Fiedler (1791-1853), Saxon Commissioner of Mines, and Director of an exploratory expedition to the Laurium region in 1835.
This page provides mineralogical data about Fiedlerite.

Classification of Fiedlerite

IMA status:Approved
Strunz 8th edition ID:3/D.0-40
Nickel-Strunz 10th (pending) edition ID:3.DC.10

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
Dana 8th edition ID:10.3.2.1

10 : OXYHALIDES AND HYDROXYHALIDES
3 : A3(O,OH)2Xq
Hey's CIM Ref.:8.8.10

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

Type Locality:Lavrion District slag localities, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
Year of Discovery:1887
Associated Minerals at type locality:
PenfielditeLaurionite

Physical Properties of Fiedlerite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:Colourless, white; colourless in transmitted light.
Hardness (Mohs):3½
Cleavage:Distinct/Good
On {100}.
Density (measured):5.88 g/cm3
Density (calculated):5.64 g/cm3

Crystallography of Fiedlerite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 16.68Å, b = 8.04Å, c = 7.28Å
β = 102.56°
Ratio:a:b:c = 2.075 : 1 : 0.905
Unit Cell Volume:V 952.94 ų (Calculated from Unit Cell)
Morphology:Crystals lath-like; tabular {100} and elongated [010] with a rectangular outline. Crystal faces normally of poor quality.
Twinning:On {100}, common.
Comment:Data for 2M polytype.
Crystal Atlas:
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Fiedlerite no.1 - Goldschmidt (1913-1926)

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Optical Data of Fiedlerite

Type:Biaxial (-)
RI values: nα = 1.980 nβ = 2.040 nγ = 2.100
Maximum Birefringence:δ = 0.120

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:strong

Chemical Properties of Fiedlerite

Formula:
Pb
 
3
Cl
 
4
F(OH)·H
 
2
O
Essential elements:Cl, F, H, O, Pb
All elements listed in formula:Cl, F, H, O, Pb

Relationship of Fiedlerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DC.05Laurionite
PbClOH
3.DC.05Paralaurionite
PbClOH
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.50Blixite
Pb
 
2
[(O,OH)
 
2
|Cl]
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
]
8.8.11Blixite
Pb
 
2
[(O,OH)
 
2
|Cl]
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 Fiedlerite

Other Languages:
German:Fiedlerit
Russian:Фидлерит
Spanish:Fiedlerita

Polytypes for Fiedlerite

Polytypes:
Fiedlerite-1AFiedlerite-2M

Other Information

Other Information:Becomes turbid when attacked by cold water. Soluble in HNO3.
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 Fiedlerite

Reference List:vom Rath (1887) Berichte Niederrheinische Gesellschaft für Natur und Heilkunde, Bonn: 154.

vom Rath (1889) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: I: 388.

Smith (1899) Mineralogical Magazine: 12: 102.

de Schulten (1905) Comptes rendu de l’Académie des sciences de Paris: 140: 315.

Lacroix and de Schulten (1908) Bulletin de la Société française de Minéralogie: 31: 83.

Goldschmidt, V. (1918) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 4: 4.

Palache, C. (1934) Mineralogical Magazine: 23: 573.

Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 67-69.

Merlino, S., Pasero, M., Perchiazzi, N. (1994) : Fiedlerite: revised chemical formula [Pb3Cl4F(OH).H2O], OD description and crystal structure refinement of the two MDO polytypes. Mineralogical Magazine: 58, 69-77.

American Mineralogist (1994): 79: 1014.

Internet Links for Fiedlerite

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    Localities for Fiedlerite

    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.
    Austria
     
    • Carinthia
      • Friesach - Hüttenberg area
        • Hüttenberg
          • Waitschach
    		U. Kolitsch and H. Pristacz (2009): An orthorhombic dimorph of barstowite, Pb4Cl6(CO3)•H2O, from slags at Maria Waitschach, Austria, and Lavrion, Greece. Poster, Joint MinPet 2009 and 4th MSCC, Budapest, Hungary, September 7-11; abstract in Mitt. Österr. Mineral. Ges. 155, 83.
    Germany
     
    • North Rhine-Westphalia
      • Ruhr Coal Mining area
        • Essen
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 69; Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian, Laurion: The Minerals in the Ancient Slags
          • 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
    		Stephan Wolfsried collection
    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
    Italy
     
    • Tuscany
      • Livorno Province
        • Piombino
    		Lapis, 20 (4), 13-18+50.
    South Africa
     
    • Gauteng Province
    		Minerals of South Africa
    Mineral and/or Locality
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