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Magnesiocopiapite

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Formula:
MgFe43+(SO4)6(OH)2 · 20H2O
System:
Triclinic
Hardness:
2½ - 3
Member of:
Name:
In allusion to its composition with dominant MAGNESIum and its relationship to COPIAPITE.

Classification of Magnesiocopiapite

Approved, 'Grandfathered' (first described prior to 1959)
7.DB.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
B : With only medium-sized cations; insular octahedra and finite units
31.10.5.2

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous

Physical Properties of Magnesiocopiapite

Hardness (Mohs):
2½ - 3

Chemical Properties of Magnesiocopiapite

Formula:
MgFe43+(SO4)6(OH)2 · 20H2O
Elements listed in formula:

Crystallography of Magnesiocopiapite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.3451(4) Å, b = 18.794(1) Å, c = 7.3891(4) Å
α = 91.369(5)°, β = 102.169(4)°, γ = 98.831(4)°
Ratio:
a:b:c = 0.391 : 1 : 0.393
Unit Cell Volume:
V 983.6 ų
Comment:
Synthetic (Majzlan & Michallik, 2007).
X-Ray Powder Diffraction Data:
d-spacingIntensity
18.57 (90)
9.29 (100)
6.192 (45)
5.600 (80)
4.208 (40)
3.588 (50)
3.506 (40)
Comments:
Sample from Knoxville, California, USA.

Type Occurrence of Magnesiocopiapite

Associated Minerals at Type Locality:

Relationship of Magnesiocopiapite to other Species

Member of:
Other Members of Group:
AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2O
CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2O
FerricopiapiteFe5(SO4)6O(OH) · 20H2O
ZincocopiapiteZnFe43+(SO4)6(OH)2 · 18H2O
7.DB.05AubertiteCu2+Al(SO4)2Cl · 14H2O
7.DB.05MagnesioaubertiteMgAl(SO4)2Cl · 14H2O
7.DB.05SvyazhiniteMgAl(SO4)2F · 14H2O
7.DB.10KhademiteAlSO4F · 5H2O
7.DB.10RostiteAlSO4(OH) · 5H2O
7.DB.15JurbaniteAlSO4(OH) · 5H2O
7.DB.20MinasragriteV4+O(SO4) · 5H2O
7.DB.20OrthominasragriteV4+O(SO4) · 5H2O
7.DB.20AnorthominasragriteV4+O(SO4) · 5H2O
7.DB.25BobjonesiteV4+OSO4 · 3H2O
7.DB.30AmarantiteFe23+O(SO4)2 · 7H2O
7.DB.30HohmanniteFe23+O(SO4)2 · 8H2O
7.DB.30MetahohmanniteFe23+O(SO4)2 · 4H2O
7.DB.35Aluminocopiapite(Al,Mg)Fe43+(SO4)6(OH,O)2 · 20H2O
7.DB.35CalciocopiapiteCaFe43+(SO4)6(OH)2 · 20H2O
7.DB.35CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35CuprocopiapiteCu2+Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35FerricopiapiteFe3+0.67Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35ZincocopiapiteZnFe43+(SO4)6(OH)2 · 20H2O

Other Names for Magnesiocopiapite

Name in Other Languages:

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 Magnesiocopiapite

Reference List:
Berry (1938) American Mineralogist: 23, pt. 2(12): 3.

American Mineralogist (1939): 24: 182.

University of Toronto Stud., Geol. Series, no. 51 (1947): 21.

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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 623.

Canadian Mineralogist (1985): 23: 55.

Majzlan, J., Kiefer, B. (2006): An X-ray and neutron-diffraction study of synthetic ferricopiapite, Fe14/3(SO4)6(OD,OH)2(D2O,H2O)20, and ab initio calculations on the structure of magnesiocopiapite, MgFe4(SO4)6(OH)2(H2O)20. Canadian Mineralogist, 44, 1227-1237.

Majzlan, J. & Michallik, R. (2007): The crystal structures, solid solutions, and infrared spectra of copiapite-group minerals. Mineralogical Magazine 71, 553-569.

Internet Links for Magnesiocopiapite

mindat.org URL:
https://www.mindat.org/min-2486.html
Please feel free to link to this page.
Specimens:
The following Magnesiocopiapite specimens are currently listed for sale on minfind.com.

Localities for Magnesiocopiapite

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.
Austria
 
  • Lower Austria
    • Waldviertel
      • Drosendorf-Zissersdorf
        • Wollmersdorf (Zettlitz-Wollmersdorf)
Taucher, J. (1993): Halotrichit, Aluminocopiapit, Magnesiocopiapit, Szomolnokit, Alunogen, Gips und Calcit aus dem aufgelassenen Graphitbergbau bei Zettlitz, nahe Wollmersdorf bei Eibenstein, Niederösterreich, Österreich. Matrixx - Mineralogische Nachrichten aus Österreich, 2, 47-51; Götzinger, M. A., Beran, A. & Libowitzky, E. (1994): Exkursion A: Mineralvorkommen und Lagerstätten im östlichen Waldviertel. Mitt. Österr. Mineral. Ges. 139, 389-405.
  • Styria
    • Leoben
Meixner, H. (1954): Neue Mineralfunde in den österreichischen Ostalpen XIII.- Carinthia II, 144./64., 18-29.
Bolivia
 
  • Oruro Department
    • Cercado Province
      • Oruro City
Moricz, F., Walder, I. F., & Madai, F. (2009). Geochemical and mineralogical characterization of waste material from Itos Sn-Ag deposit, Bolivia. Proceeding of securing the future and 8th ICARD. Skellefteå, Sweden, 525-534.
Canada
 
  • Nova Scotia
    • Cape Breton Co.
      • Sydney coalfield
        • Point Aconi
E.L. Zodrow, "Hydrated Sulfates from Sydney Coalfield, Cape Breton Island, Nova Scotia, Canada: The Copiapite Group" American Mineralogist, vol. 65, pp. 961-967, 1980.
Chile
 
  • Antofagasta Region
    • El Loa Province
      • Calama
        • Cerritos Bayos
samples analysed by Gerhard Moehn and Joy Desor
China
 
  • Xinjiang Autonomous Region
    • Tulufan Prefecture (Turfan Prefecture; Turpan Prefecture)
      • Shanshan Co. (Piqan Co.; Pichan Co.)
        • Kanggur-Xifengshan gold belt
Kaiyin Bai and Zhaoxin Han (2007): Northwestern Geology 40(2), 114-117
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Rost (1937); Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).
        • Libušin
Hyrsl J., Korbel P.; Tschechien & Slowakei, Mineralien und Fundstellen. Bode Verlag, 2008. Page 268-273
    • Hradec Králové Region
      • Trutnov (Trautenau)
        • Radvanice
Jirásek, J.: Thermal Changes of the Rocks in the Dump Pile of the Kateřina Colliery in Radvanice (Eastern Bohemia). Ostrava: VSB – Technical University of Ostrava, Institute of Geological Engineering - 541, 2001. 69 p.
  • Moravia (Mähren; Maehren)
    • Moravia-Silesia Region
      • Karviná
Matýsek D., Jirásek J., Osovský M., Skupien P.. Minerals formed by the weathering of sulfides in mines of the Czech part of the Upper Silesian Basin. Mineralogical Magazine, 2014, 78, 5, 1265-1286.
        • Orlová
Matýsek D., Jirásek J., Osovský M., Skupien P.. Minerals formed by the weathering of sulfides in mines of the Czech part of the Upper Silesian Basin. Mineralogical Magazine, 2014, 78, 5, 1265-1286.
          • Lazy Mine
Matýsek D., Jirásek J., Osovský M., Skupien P.. Minerals formed by the weathering of sulfides in mines of the Czech part of the Upper Silesian Basin. Mineralogical Magazine, 2014, 78, 5, 1265-1286.
    • South Moravia Region
      • Oslavany
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
France
 
  • Corsica
    • Haute-Corse
      • Corte
        • Venaco
Lheur, C., Meisser,N., Pecorini, R. and Steinmetz, A. (2011): Nouveautés minéralogiques en Corse. La Régne Minéral. 102: 33-40
  • Occitanie
    • Gard
      • Saint-Laurent-le-Minier
Minéralogie de la mine des malines (Daniel Gol, Alain Martaud, Nicolas Meisser, Pascal Chollet) - Le regne minéral, H.S. XVI, pp 49-86.
- Gol, D, Martaud, A., Meisser, N. & Chollet, P. (2010): Minéralogie des Malines, Gard. Le Règne Minéral, HS XVI, 49-88.
  • Provence-Alpes-Côte d'Azur
    • Hautes-Alpes
      • La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar)
Bourgoin, V., Favreau, G., Boulliard, J.-C. (2011): Jas Roux: un gisement exceptionnel à minéraux de thallium. Le Cahier des Micromonteurs, 3-2011, 2-91.
Germany
 
  • Saxony
    • Oberlausitz
      • Kamenz
Wittern: "Mineralfundorte in Deutschland", 2001
Nasdala, L., Pietzsch, C., Ullrich, B. (1992): Magnesiocopiapit von Oßling/Lausitz, Der Aufschluss, Vol. 43, 249-256
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Plaka
          • Plaka Mines
Möckel, S. (2001): Wallkilldellit und weitere acht Neubestimmungen aus Lavrion, Griechenland. Lapis 26 (11), 43.; Schnorrer, G. & Breitenbach, H. (1996): Lavrion: Neufunde aus dem antiken Bergbau und in historischen Schlacken. Lapis, 21 (1), 45-48; 62.
Branko Rieck Collection
Hungary
 
  • Baranya Co.
    • Mecsek Mts
      • Pécs
Lovász A., Szabó D. (2014): A pécs-vasasi égő széntelepeken képződő ásványok, TDK-dolgozat, kézirat, ELTE
  • Borsod-Abaúj-Zemplén Co.
    • Rudabányai Mts
      • Rudabánya
Szakáll: Minerals of Rudabánya, 2001
Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63.
  • Nógrád Co.
    • Cserhát Mts
Geoda - Journal of the Hungarian Friends of Minerals, 2007 august.
Iran
 
  • Kerman Province
    • Rafsanjan County
      • Pariz
Khorasanipour, M., Tangestani, M. H., Naseh, R., & Hajmohammadi, H. (2011). Hydrochemistry, mineralogy and chemical fractionation of mine and processing wastes associated with porphyry copper mines: a case study from the Sarcheshmeh mine, SE Iran. Applied Geochemistry, 26(5), 714-730.
Italy
 
  • Piedmont
    • Cuneo Province
      • Maira Valley
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Torino Province
      • Lanzo Valleys
        • Grande Valley
          • Chialamberto
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Peru
 
  • Ayacucho Department
    • Lucanas Province
      • Huac-huas (Huacuas)
Hyršl, J. (2010): Ein Neufund fantastischer Sulfate in der Mina Javier. Mineralien-Welt 21 (3), 68-71 (in German); Roth, P. and Meisser, N. (2012) Goldichit: Ausgezeichnete Kristalle aur Peru. Lapis, 37, #5, 37.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Rudawy Janowickie Mts
Siuda, R.: Wieściszowice. Otoczak, 2004, nr. 31, p. 58-65.
  • Upper Silesia (Śląskie)
    • Upper Silesian Coal Basin
      • Katowice area
Kruszewski, Ł. (2013): Supergene minerals from the burning coal mining dumps in the Upper Silesian Coal Basin, South Poland. International Journal of Coal Geology: 105: 91-109 (http://www.sciencedirect.com/science/article/pii/S0166516212002881)
Slovakia
 
  • Prešov Region
    • Prešov Co.
      • Červenica
        • Dubník
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Spain
 
  • Andalusia
    • Huelva
      • Nerva
Romero, A., I. Gonzalez & E. Galan (2006): The role of efflorescent sulfates in the storage of trace elements in stream waters polluted by acid mine-drainage: the case of Pena del Hierro, southwestern Spain. Canadian Mineralogist 44, 1431-1446.
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Ayer
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 121.; Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
      • Saint-Luc
Ansermet, S. with contributions of Meisser, N. (2012): Mines et minéraux du Valais. II. Anniviers et Tourtemagne. Musée de la Nature (Sion), Musée Cantonal de Géologie (Lausanne), and Editions Porte-Plumes (Ayer), 374 pp.
Ansermet, S. with contributions of Meisser, N. (2012): Mines et minéraux du Valais. II. Anniviers et Tourtemagne. Musée de la Nature (Sion), Musée Cantonal de Géologie (Lausanne), and Editions Porte-Plumes (Ayer), 374 pp.
USA
 
  • Arizona
    • Coconino Co.
      • Cameron District
Williams, S. & Cesbron, F. P. (1995). Wupatkiite from the Cameron uranium district, Arizona, a new member of the halotrichite group. Mineralogical Magazine, 59, 553-556.
    • Santa Cruz Co.
      • Patagonia Mts
        • Palmetto District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283; Bayliss, P. & D. Atencia (1985), X-ray powder diffraction data and cell parameters for copiapite group minerals, Canadian Mineralogist: 23: 53.
  • California
    • Napa Co.
      • Knoxville District
        • Knoxville
Whitmore, D.R.E., et al (1946), Chrome micas: American Mineralogist: 31: 21; Melville, William Harlow & Waldemar Lindgren (1890), Contributions to the mineralogy of the Pacific coast: USGS Bulletin 61, 40pp.: 24; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 156, 247; www.mineralsocal.org
    • Riverside Co.
American Mineralogist (1939): 24: 182; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 63.
    • Shasta Co.
      • Klamath Mts
        • West Shasta Copper - Zinc District
          • Iron Mountain [town]
            • Iron Mountain
              • Iron Mountain Mine (Number 8; Confidence; Old Mine)
Jamieson, H. E., Robinson, C., Alpers, C. N., McCleskey, R. B., Nordstrom, D. K., & Peterson, R. C. (2005). Major and trace element composition of copiapite-group minerals and coexisting water from the Richmond mine, Iron Mountain, California. Chemical Geology, 215(1), 387-405.
  • Colorado
    • Jefferson Co.
      • Foothill District
Minerals of Colorado (1997) Eckels, E. B.
  • New Mexico
    • San Miguel Co.
Northrop, Minerals of New Mexico, 3rd rev. ed, 1996
  • North Carolina
    • Swain Co.
      • Great Smoky Mts
Hammarstrom, Jane M. Seal II, Robert R., Meier, Allen L. and Jackson, John C. (2003) Weathering of Sulfidic Shale and Copper Mine Waste: Secondary Minerals and Metal Cycling in Great Smoky Mountains National Park, Tennessee, and North Carolina, USA; Environmental Geology: 45: 47.
  • Tennessee
    • Sevier Co.
      • Great Smoky Mountains National Park
Coskren, T. D. & Lauf, R. J. (2000): The Minerals of Alum Cave Bluff, Great Smoky Mountains, Tennessee. Mineralogical Record, 31, 163-175.; Rocks & Min. (2007) 82:235
  • Virginia
    • Louisa Co.
      • Gold-Pyrite Belt
        • Mineral
Minerals of Virginia, 1990 by R. V. Dietrich
Mineral and/or Locality  
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