Fiedlerite
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Formula:
Pb3FCl4(OH) · H2O
Colour:
Colourless, white; colourless in transmitted light.
Lustre:
Adamantine
Hardness:
3½
Specific Gravity:
5.88
Crystal System:
Monoclinic
Name:
After K.G. Fiedler (1791-1853), Saxon Commissioner of Mines, and Director of an exploratory expedition to the Laurium region in 1835.
Classification of Fiedlerite
Approved, 'Grandfathered' (first described prior to 1959)
3/D.0-40
3.DC.10
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
10.3.2.1
10 : OXYHALIDES AND HYDROXYHALIDES
3 : A3(O,OH)2Xq
10 : OXYHALIDES AND HYDROXYHALIDES
3 : A3(O,OH)2Xq
8.8.10
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
Physical Properties of Fiedlerite
Adamantine
Transparency:
Transparent
Colour:
Colourless, white; colourless in transmitted light.
Hardness:
3½ on Mohs scale
Cleavage:
Distinct/Good
On {100}.
On {100}.
Density:
5.88 g/cm3 (Measured) 5.64 g/cm3 (Calculated)
Optical Data of Fiedlerite
Type:
Biaxial (-)
RI values:
nα = 1.980 nβ = 2.040 nγ = 2.100
Max Birefringence:
δ = 0.120
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
strong
Chemical Properties of Fiedlerite
Formula:
Pb3FCl4(OH) · H2O
IMA Formula:
Pb3Cl4F(OH) · H2O
Crystallography of Fiedlerite
Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
| Fiedlerite-1A | Fiedlerite-2M |
|---|---|
| Pb3Cl4F(OH) · H2O | |
| Triclinic | Monoclinic |
| 1 - Pedial | 2/m - Prismatic |
| P1 | P21/b |
| P21/a | |
| a = 8.574(3) Å, b = 8.045(4) Å, c = 7.276(2) Å α = 89.96(4)°, β = 102.05(4)°, γ = 103.45(4)° | a = 16.681(4) Å, b = 8.043(3) Å, c = 7.281(2) Å β = 102.56(4)° |
| a:b:c = 1.066 : 1 : 0.904 | a:b:c = 2.074 : 1 : 0.905 |
| V 476.76 ų (Calculated from Unit Cell) | V 953.48 ų (Calculated from Unit Cell) |
Crystallographic forms of Fiedlerite
Crystal Atlas:
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Fiedlerite no.1 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by
www.smorf.nl.
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Type Occurrence of Fiedlerite
Associated Minerals at Type Locality:
Other Language Names for Fiedlerite
Common Associates
Associated Minerals Based on Photo Data:
| Phosgenite | 6 photos of Fiedlerite associated with Phosgenite on mindat.org. |
| Boleite | 1 photo of Fiedlerite associated with Boleite on mindat.org. |
| Calcite | 1 photo of Fiedlerite associated with Calcite on mindat.org. |
| Paralaurionite | 1 photo of Fiedlerite associated with Paralaurionite on mindat.org. |
| Cerussite | 1 photo of Fiedlerite associated with Cerussite on mindat.org. |
| Galena | 1 photo of Fiedlerite associated with Galena on mindat.org. |
| Copper | 1 photo of Fiedlerite associated with Copper on mindat.org. |
| Pseudoboleite | 1 photo of Fiedlerite associated with Pseudoboleite on mindat.org. |
| Cumengeite | 1 photo of Fiedlerite associated with Cumengeite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
| 3.DC.05 | Laurionite | PbCl(OH) | Orth. mmm (2/m 2/m 2/m) |
| 3.DC.05 | Paralaurionite | PbCl(OH) | Mon. 2/m : B2/m |
| 3.DC.15 | Penfieldite | Pb2Cl3(OH) | Hex. 6 : P6 |
| 3.DC.20 | Laurelite | Pb7F12Cl2 | Hex. 6 : P6 |
| 3.DC.25 | Bismoclite | (BiO)Cl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| 3.DC.25 | Daubréeite | (BiO)(OH,Cl) | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| 3.DC.25 | Matlockite | PbFCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| 3.DC.25 | Rorisite | CaFCl | Tet. |
| 3.DC.25 | Zavaritskite | (BiO)F | Tet. |
| 3.DC.25 | Zhangpeishanite | BaFCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| 3.DC.30 | Nadorite | PbSbClO2 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
| 3.DC.30 | Perite | PbBiClO2 | Orth. mmm (2/m 2/m 2/m) : Cmcm |
| 3.DC.35 | Aravaipaite | Pb3AlF9 · H2O | Tric. |
| 3.DC.37 | Calcioaravaipaite | PbCa2AlF9 | Tric. 1 |
| 3.DC.40 | Thorikosite | Pb3Cl2(OH)(SbO3,AsO3) | Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm |
| 3.DC.45 | Mereheadite | Pb47Cl25(OH)13O24(CO3)(BO3)2 | Mon. m |
| 3.DC.50 | Blixite | Pb2(O,OH)2Cl | Orth. |
| 3.DC.55 | Pinalite | Pb3WO5Cl2 | Orth. |
| 3.DC.60 | Symesite | Pb10(SO4)O7Cl4 · H2O | Tric. 1 : P1 |
| 3.DC.65 | Ecdemite | Pb6Cl4(As2O7) | Tet. |
| 3.DC.65 | Heliophyllite | Pb6Cl4(As2O7) | Orth. |
| 3.DC.70 | Mendipite | Pb3Cl2O2 | Orth. 2 2 2 : P21 21 21 |
| 3.DC.75 | Damaraite | Pb3Cl(OH)O2 | Orth. mm2 : Pmc21 |
| 3.DC.80 | Onoratoite | Sb8Cl2O11 | Tric. 1 : P1 |
| 3.DC.85 | Cotunnite | PbCl2 | Orth. mmm (2/m 2/m 2/m) |
| 3.DC.90 | Pseudocotunnite | K2PbCl4 | Orth. |
| 3.DC.95 | Barstowite | Pb4Cl6(CO3) · H2O | Mon. 2/m : P21/m |
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 8.8.1 | Abhurite | Sn21Cl16(OH)14O6 | Trig. |
| 8.8.2 | Matlockite | PbFCl | Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm |
| 8.8.3 | Laurelite | Pb7F12Cl2 | Hex. 6 : P6 |
| 8.8.4 | Cotunnite | PbCl2 | Orth. mmm (2/m 2/m 2/m) |
| 8.8.5 | Mendipite | Pb3Cl2O2 | Orth. 2 2 2 : P21 21 21 |
| 8.8.6 | Damaraite | Pb3Cl(OH)O2 | Orth. mm2 : Pmc21 |
| 8.8.7 | Laurionite | PbCl(OH) | Orth. mmm (2/m 2/m 2/m) |
| 8.8.8 | Paralaurionite | PbCl(OH) | Mon. 2/m : B2/m |
| 8.8.9 | Penfieldite | Pb2Cl3(OH) | Hex. 6 : P6 |
| 8.8.11 | Blixite | Pb2(O,OH)2Cl | Orth. |
| 8.8.12 | Pseudocotunnite | K2PbCl4 | Orth. |
| 8.8.13 | Diaboleite | Pb2CuCl2(OH)4 | Tet. 4mm : P4mm |
| 8.8.14 | Pseudoboleite | Pb31Cu24Cl62(OH)48 | Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm |
| 8.8.15 | Chloroxiphite | Pb3CuO2Cl2(OH)2 | Mon. 2/m : P21/m |
| 8.8.17 | Bideauxite | Pb2AgCl3(F,OH)2 | Iso. m3m (4/m 3 2/m) : Fd3m |
| 8.8.18 | Boleite | KPb26Ag9Cu24(OH)48Cl62 | Iso. m3m (4/m 3 2/m) : Pm3m |
| 8.8.19 | Aravaipaite | Pb3AlF9 · H2O | Tric. |
| 8.8.20 | Yedlinite | Pb6Cr3+Cl6(O,OH,H2O)8 | Trig. 3 : R3 |
| 8.8.21 | Kolarite | PbTeCl2 | Orth. |
| 8.8.22 | Hematophanite | Pb4Fe3O8(OH,Cl) | Tet. 4/mmm (4/m 2/m 2/m) |
Other Information
Notes:
Becomes turbid when attacked by cold water. Soluble in HNO3.
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 Fiedlerite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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). The form relations of the lead oxychlorides, laurionite, paralaurionite, and fiedlerite. Mineralogical Magazine 23, 573-586.
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
mindat.org URL:
https://www.mindat.org/min-1547.html
Please feel free to link to this page.
Please feel free to link to this page.
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Localities for Fiedlerite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Austria | |
| 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.; Kolitsch, U., Brandstätter, F., Schreiber, F., Fink, R. & Auer, C. (2013): Die Mineralogie der weltweit einzigartigen Schlacken von Waitschach, Kärnten. Annalen des Naturhistorischen Museums in Wien, Serie A, 115, 19-87 (in German). |
Germany | |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
Greece (TL) | |
| 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; Grolig, H. & Grolig, E. (1978): Lavrion in Attika. Lapis, 3 (5), 16-25; 40 (in German). |
| Fritz Schreiber collection (U. Kolitsch SXRD analysis) |
| Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals of the Ancient Slags, Janssen Print, Nijmegen, The Netherlands; Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (II). Mineralien-Welt 25 (2), 82-95 (in German). |
| van Kalmthout, P. (2012): De slakkenmineralen van Lavrion (Gr.) - Ontwikkelingen na 1996, inclusief een archeologische ontdekking. GEA, 45 (1), 14-19 (in Dutch); Fritz Schreiber collection; Uwe Kolitsch (SXRD-analysed) |
| Stephan Wolfsried collection | |
| Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian, (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands | |
| Gelaude, Piet, van Kalmthout, Piet and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands |
| Lacroix, A. & De Schulten, A. (1908): Note sur des minéraux plombifères des scories athéniennes du Laurion. Bulletin de la Société française de Minéralogie et de Cristallographie, 31, 79-90 (in French).; Gelaude, Piet, van Kalmthout, Piet, and Rewitzer, Christian (1996) Laurion: The Minerals in the Ancient Slags, Janssen Print, Nijmegen, The Netherlands |
Italy | |
| Marco Bonifazi Collection |
| Cerutti, G. and Preite, D. (1995): Mineralien der etruskischen Schlacken von Baratti, Toskana. Lapis, 20 (4), 13-18; 50 (in German). |
South Africa | |
| Minerals of South Africa |
UK | |
| BMS Newsletter 79, March 2010 (http://britishmicromountsociety.homestead.com/Gannell-Smelter.html) |
Lavrion Port slag locality, Lavrion, Lavrion District slag localities, Lavrion District, Attikí Prefecture, Greece