Lawrencite Group
A group of related mineral species
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About Lawrencite Group
Formula:
AX2
A = Fe, Mn, Mg, Cu
X = Cl
X = Cl
This page provides mineralogical data about Lawrencite Group.
Unique Identifiers
Mindat ID:
32112
Long-form identifier:
mindat:1:1:32112:1
Chemistry of Lawrencite Group
Mindat Formula:
AX2
A = Fe, Mn, Mg, Cu
X = Cl
A = Fe, Mn, Mg, Cu
X = Cl
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0018640 | Lawrencite | Wilkinson M K, Cable J W, Wollan E O, Koehler W C (1959) Neutron diffraction investigations of the magnetic ordering in FeBr2, CoBr2, FeCl2, and CoCl2 Physical Review 113 497-507 | 1959 | synthetic | 0 | 293 | |
| 0018471 | Lawrencite | Herpin A, Meriel P (1957) Etude par diffraction de neutrons a 4.2 K de la structure antiferromagnetique de Cl2Fe Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 245 650-653 | 1957 | synthetic | 0 | 4.2 | |
| 0001544 | Tolbachite | Burns P C, Hawthorne F C (1993) Tolbachite, CuCl2, the first example of Cu2+ octahedrally coordinated by Cl American Mineralogist 78 187-189 | ![]() | 1993 | 0 | 293 | |
| 0011809 | Scacchite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 239-444 | 1963 | 0 | 293 | ||
| 0011807 | Lawrencite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 239-444 | 1963 | 0 | 293 | ||
| 0011808 | Chloromagnesite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Crystal Structures 1 239-444 | 1963 | 0 | 293 | ||
| 0018598 | Lawrencite | Vettier C, Yelon W B (1975) The structure of FeCl2 at high pressures Journal of Physics and Chemistry of Solids 36 401-405 | 1975 | 0.104 | 293 | ||
| 0018599 | Lawrencite | Vettier C, Yelon W B (1975) The structure of FeCl2 at high pressures Journal of Physics and Chemistry of Solids 36 401-405 | 1975 | 0.315 | 293 | ||
| 0018600 | Lawrencite | Vettier C, Yelon W B (1975) The structure of FeCl2 at high pressures Journal of Physics and Chemistry of Solids 36 401-405 | 1975 | 0.57 | 293 | ||
| 0018601 | Lawrencite | Vettier C, Yelon W B (1975) The structure of FeCl2 at high pressures Journal of Physics and Chemistry of Solids 36 401-405 | 1975 | 0.597 | 293 | ||
| 0018602 | Lawrencite | Vettier C, Yelon W B (1975) The structure of FeCl2 at high pressures Journal of Physics and Chemistry of Solids 36 401-405 | 1975 | 0.64 | 293 |
CIF Raw Data - click here to close
Relationship of Lawrencite Group to other Species
Lawrencite Group Members:
| Chloromagnesite | MgCl2 | Trig. 3m(32/m) : R3m |
| Lawrencite | (Fe2+,Ni)Cl2 | Trig. 3m(32/m) : R3m |
| Scacchite | MnCl2 | Trig. 3m(32/m) : R3m |
| Tolbachite | CuCl2 | Mon. 2/m : B2/m |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
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.
Internet Links for Lawrencite Group
mindat.org URL:
https://www.mindat.org/min-32112.html
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References for Lawrencite Group
Localities for Lawrencite Group
Showing 56 localities.
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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.
Argentina | |
| [Lawrencite] Kurat et al. (2009) |
Australia | |
| [Lawrencite] Madigan (1940) |
| [Lawrencite] Madigan (1939) |
| [Lawrencite] Alderman (1940) |
Belarus | |
| [Lawrencite] Bakhtin et al. (2017) |
Burkina Faso | |
| [Lawrencite] Alfredo Petrov collection |
Canada | |
| [Lawrencite] Ames et al. (2003) |
China | |
| [Lawrencite] |
Costa Rica | |
| [Tolbachite] Ulloa et al. (2018) |
Czech Republic | |
| [Lawrencite] Skála R. |
Greenland | |
| [Lawrencite] Palache et al. (1951) +1 other reference |
Hungary | |
| [Lawrencite] Szakáll & Gatter: Hun. Min. Spec. |
Italy | |
| [Chloromagnesite, Lawrencite, Scacchite] Palache et al. (1951) |
| [Chloromagnesite, Lawrencite, Scacchite] Pelloux (1927) +2 other references | |
| [Lawrencite] D'Orazio et al. (2004) |
Mexico | |
| [Lawrencite] Cohen (1903) |
| [Lawrencite] Buchwald (1975) |
Philippines | |
| [Lawrencite] Hill Jr. (1974) |
Poland | |
| [Chloromagnesite, Scacchite] Kruszewski (2012) |
Russia | |
| [Lawrencite] Cesnokov et al. (1998) |
| [Lawrencite] Sharygin et al. (2013) | |
| [Tolbachite] Pekov (1998) |
| [Tolbachite] DAN-SSSR (1983) +1 other reference |
| [Tolbachite] Pekov (1998) |
| [Lawrencite] www.kscnet.ru (2019) |
| [Chloromagnesite] Sharygin et al. (2014) |
| [Lawrencite] Vergasova et al. (1977) +1 other reference |
Slovakia | |
| [Lawrencite] Koděra et al. (1986) |
USA | |
| [Lawrencite] Cook et al. (1982) |
| [Lawrencite] Cook et al. (1982) |
| [Tolbachite] Graeme (1993) |
| [Tolbachite] Graeme (1993) +1 other reference |
| [Lawrencite] Galbraith (1947) |
| [Lawrencite] Anthony et al. (1995) |
| [Lawrencite] Howard (2007) |
| [Chloromagnesite] Bailey (1902) +1 other reference |
| [Lawrencite] Cook (1978) |
| [Lawrencite] Henderson et al. (1951) |
| [Lawrencite] Wirt Tassin (1902) |
| [Lawrencite] Buchwald (1975) |
| [Lawrencite] Tassin (1905) |
| [Lawrencite] | |
| [Lawrencite] Dana et al. (1892) | |
| [Lawrencite] Venable (1890) |
| [Lawrencite] C. R. Acad. Sci. 84 (1877) |
| [Lawrencite] Kunz (1887) +1 other reference |
| [Lawrencite] Paris (2011) |
| [Lawrencite] Beck et al. (1951) |
| [Lawrencite] Dietrich (1990) |
| [Chloromagnesite] Dietrich (1990) | |
| [Lawrencite] Berquist et al. (ed.) |







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The
Nandan meteorite, Lihu - Yaochai area, Nandan County, Hechi, Guangxi, China