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Aluminocopiapite

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Formula:
(Al,Mg)Fe43+(SO4)6(OH,O)2 · 20H2O
System:
Triclinic
Colour:
Pale lemon-yellow to ...
Lustre:
Vitreous
Hardness:
2 - 3
Member of:
Name:
In allusion to its composition containing aluminum in substitution for ferric iron and its relationship to copiapite.

Classification of Aluminocopiapite

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
Dana 7th ed.:
31.10.5.7
31.10.5.7

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
25.11.25

25 : Sulphates
11 : Sulphates of Fe and other metals

Physical Properties of Aluminocopiapite

Vitreous
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Pale lemon-yellow to deep yellow
Streak:
no data
Hardness (Mohs):
2 - 3
Comment:
by analogy to copiapite group
Tenacity:
Fragile
Cleavage:
Perfect
Perfect on {010}; imperfect on {101}
Density:
2.163 g/cm3 (Calculated)

Optical Data of Aluminocopiapite

Type:
Biaxial (+)
RI values:
nα = 1.525 nβ = 1.535 - 1.540 nγ = 1.585 - 1.590
2V:
Measured: 45° , Calculated: 40°
Max Birefringence:
δ = 0.060 - 0.065
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none
Pleochroism:
Visible
Comments:
Y= colorless
Z= Greenish yellow

Chemical Properties of Aluminocopiapite

IMA Formula:
(Al,Mg)Fe43+(SO4)6(OH,O)2 · 20H2O
Elements listed in formula:

Crystallography of Aluminocopiapite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.3(1) Å, b = 18.8(2) Å, c = 7.31(1) Å
α = 91.5(2)°, β = 102.3(1)°, γ = 98.7(1)°
Ratio:
a:b:c = 0.388 : 1 : 0.389
Unit Cell Volume:
V 967.14 ų (Calculated from Unit Cell)
Z:
1
Morphology:
As minute scales and efforvescences.

Occurrences of Aluminocopiapite

Type Occurrence of Aluminocopiapite

Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 93834, 103544.
Empirical Formula:
Al.66Fe43+[OH|(SO4)3]2 · 20H2O

Relationship of Aluminocopiapite to other Species

Member of:
Other Members of Group:
CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2O
CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2O
FerricopiapiteFe5(SO4)6O(OH) · 20H2O
MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
ZincocopiapiteZnFe43+(SO4)6(OH)2 · 18H2O
Common Associates:
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.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.35MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
7.DB.35ZincocopiapiteZnFe43+(SO4)6(OH)2 · 20H2O
25.11.1NatrojarositeNaFe33+(SO4)2(OH)6
25.11.2SideronatriteNa2Fe3+(SO4)2(OH) · 3H2O
25.11.3MetasideronatriteNa2Fe3+(SO4)2(OH) · H2O
25.11.4FerrinatriteNa3Fe3+(SO4)3 · 3H2O
25.11.5AmarilliteNaFe3+(SO4)2 · 6H2O
25.11.6YavapaiiteKFe3+(SO4)2
25.11.7KrausiteKFe3+(SO4)2 · H2O
25.11.8GoldichiteKFe3+(SO4)2 · 4H2O
25.11.9JarositeKFe33+(SO4)2(OH)6
25.11.10VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
25.11.11UngemachiteK3Na8Fe3+(SO4)6(NO3)2 · 6H2O
25.11.12MetavoltineK2Na6Fe2+Fe63+O2(SO4)12 · 18H2O
25.11.13SabieiteNH4Fe3+(SO4)2
25.11.14AmmoniojarositeNH4Fe33+(SO4)2(OH)6
25.11.15Clairite(NH4)2Fe33+(SO4)4(OH)3 · 3H2O
25.11.16Mohrite(NH4)2Fe2+(SO4)2 · 6H2O
25.11.17LonecreekiteNH4Fe3+(SO4)2 · 12H2O
25.11.18Godovikovite(NH4)Al(SO4)2
25.11.19BotryogenMgFe3+(SO4)2(OH) · 7H2O
25.11.21Slavíkite(H3O)31+Mg6Fe15(SO4)21(OH)18 · 98H2O
25.11.23SturmaniteCa6Fe23+(SO4)2.5[B(OH)4](OH)12 · 25H2O
25.11.24MillosevichiteAl2(SO4)3
25.11.26HalotrichiteFe2+Al2(SO4)4 · 22H2O
25.11.27Idrizite(Mg,Fe)(Al,Fe)2(SO4)3(OH)2 · 15H2O or near
25.11.28LishizheniteZnFe23+(SO4)4 · 14H2O
25.11.29ZincovoltaiteK2Zn5Fe33+Al(SO4)12 · 18H2O
31.10.5.1CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O

Other Names for Aluminocopiapite

Name in Other Languages:

Other Information

Other Information:
Somewhat soluble in water.
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 Aluminocopiapite

Reference List:
Berry, L.G. (1947) Composition and optics of copiapite. University of Toronto Studies, Geological Series 51: 21-34.

Fleischer M (1947) New mineral names. American Mineralogist: 32: 483-485.

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, 625.

Jolly, J.H., Foster, H.L. (1967) X-ray diffraction data of aluminocopiapite. American Mineralogist: 52: 1220-1223.

Bayliss, P., Atencio, D. (1985) X-ray powder-diffraction data and cell parameters for copiapite-group minerals. The Canadian Mineralogist: 23: 53-56.

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 Aluminocopiapite

mindat.org URL:
https://www.mindat.org/min-87.html
Please feel free to link to this page.

Localities for Aluminocopiapite

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.
Argentina
 
  • San Juan
    • Calingasta Department
      • Calingasta
        • Quebrada Alcaparrosa
MIKON and Gunnar Farber catalogues (2005)
Austria
 
  • Carinthia
    • Gurktaler Alpen
      • Metnitz
G. Niedermayr: Carinthia II 186./106.:130 (1996)
  • 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.
  • Styria
    • Leutschach
Taucher, J. (1992); Exel, R. (1993)
Brazil
 
  • São Paulo
Rafael Hernandes Corrêa-Silva Collection
Bulgaria
 
  • Plovdiv Oblast
    • Plovdiv
Atanassova, R. & Kerestedjian, T. (2009): Efflorescent minerals from the metallurgical waste heaps of the KCM non-ferrous metal smelter, Plovdiv, Bulgaria. Geochemistry, Mineralogy and Petrology, 47, 51-63.
Canada
 
  • Nova Scotia
    • Cape Breton Co.
      • Sydney coalfield
Erwin L. Zodrow and Keith McCandlish, "Hydrated Sulfates in the Sydney Coalfiled, Cape Breton, Nova Scotia", Canadian Mineralogist, vol. 16, pp.17-22, 1978.
          • #26 Colliery
http://rruff.geo.arizona.edu/doclib/hom/aluminocopiapite.pdf.
Handbook of Mineralogy
        • Point Aconi
E.L. Zodrow and K. McCandlish, "Hydrated Sulfates in the Sydney Coalfield, Cape Breton, Nova Scotia," Canadian Mineralogist, vol. 16, pt. 1, pp. 17-22, 1978.
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
Natural History Museum Vienna collection
      • Sierra Gorda District
Samples analysed by Dr. Jochen Schluter, Curator of Hamburg Mineralogical Museum, Germany
    • El Loa Province
      • Calama
        • Cerritos Bayos
http://rruff.geo.arizona.edu/doclib/hom/aluminocopiapite.pdf.; Kampf, A.R.; Mills, S.J.; Housley, R.M.; Williams, P.A.; Dini, M. (2012): Alcaparrosaite, K3Ti4+Fe3+(SO4)4O(H2O)2, a new hydrophobic Ti4+ sulfate from Alcaparrosa, Chile. Mineralogical Magazine 76, 851-861.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • 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.
France
 
  • Auvergne-Rhône-Alpes
    • Rhône
      • Le Bois d'Oingt
        • Chessy-les-Mines
Chollet Pascal Collection
  • 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
 
  • Mecklenburg-West Pomerania
    • Neubrandenburg
      • Friedland
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
  • Saxony-Anhalt
    • Halle
      • Petersberg
Handbook of Mineralogy
  • Saxony
    • Dresden
Thalheim, K.; Reichel, W. & Witzke, T. (1991): Die Minerale des Döhlener Beckens.- Schriften des Staatlichen Museums für Mineralogie und Geologie zu Dresden, Nr. 3
    • Oberlausitz
      • Niesky
        • Horscha
Witzke, T. & Giesler, T. (2007): Der Schieferabbau Pansberg bei Horscha in der Lausitz, Sachsen. Lapis 32 (7-8), 68-73; 86.
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
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
Hanke, H. (1994): Neues aus Lavrion: Eisen-, kupfer- und kobalthaltige Hydro-Sulfate aus dem Revier Plaka. Emser Hefte, 1994 (2).
Branko Rieck Collection
Hungary
 
  • 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.
Italy
 
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
I. Campostrini, 2008, pers. com. [M.E. Ciriotti]
            • Porto Levante
              • Faraglioni di Levante (Grotte dei Faraglioni; Grotte del Faraglione; "Grotte de Faraglione")
                • Faraglione Nico (Faraglione Piccolo; Faragghiune Nicu)
I. Campostrini, 2008, pers. com. [M.E. Ciriotti]
  • Tuscany
    • Livorno Province
      • Elba Island
        • Capoliveri
J. Göske, T. Witzke, H. Pöllmann, S. Stöber (1997) - Neufunde von Sekundarmineralen in der Lagerstatte Calamita/Insel Elba - Der Aufschluss, 48: 305-313.
    • Siena Province
      • Chiusdino
Brizzi G., Ciselli I, Santucci A. (1986) - Ultime novità da le Cetine di Cotorniano - Riv. Miner. Ital., Milano, fasc. 3, pp.145-155; Menchetti, S., Batoni, M., Batacchi, C., Borselli, G., Brogi, A., Ceccantini, L., Fassina, B., Marchesini, M., Rossellini, A. & Ruggieri, G. (2015): Le Cetine di Cotorniano. Miniera e minerali. Associazione Micro-Mineralogica Italiana, Cremona, 354 p.
Norway
 
  • Buskerud
    • Hol
      • Ustaoset
Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, 278 pp (p. 112).
  • Oslo
    • Old Oslo
Neumann, H. (1985): Norges Mineraler. Norges Geologiske Undersøkelse Skrifter. 68, 278p.( p. 112).
Slovakia
 
  • Košice Region
    • Gelnica Co.
Šoltés S., Lintnerova O., Šottník P. 2006: Copiapite group and halotrichite in old mine heaps near Smolník. Mineralogia Polonica - Special Papers, vol. 28, 211-213
Spain
 
  • Catalonia
    • Barcelona
      • Vallès Occidental
        • Montcada i Reixac
Joan Rosell
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • 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. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
UK
 
  • England
    • Cornwall
      • Camborne - Redruth - St Day District
        • Camborne
          • Tuckingmill
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
Ukraine
 
  • Crimea Oblast'
    • Crimea peninsula
      • Balaklava area
Dobrovolskaya T.I., Polkanov Y.A. The Paleovolcano Fiolent. Giude (2004) - Simferopol, 2004, 19 p. (in Russ.) Oleg V. Zinchenko at al. (2008).The mineralogy of seasonal sulfates in the cape Fiolent - Zapiski Ukrainskogo Mineralogichnogo Tovaristva (Proceeding Ukrainian Mineralogical Society), 2008, #5, p. 75-83 (in Ukr.)
    • Simferopol area
      • Mramornoe Village area
Alexander I. Tischenko (1996)/ Minerals of the Crimea. - World of stones, 1996, #9, p. 9-18.
USA (TL)
 
  • Alaska
    • Southeast Fairbanks Borough
      • Forty Mile River
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
  • California
    • Mono Co.
      • White Mts
        • White Mountain Peak
http://rruff.geo.arizona.edu/doclib/hom/aluminocopiapite.pdf.
    • San Diego Co.
      • Lakeside
SDSU Geology Department unpublished field trip guide, circa 1980.
    • 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.
    • Trinity Co.
      • Coastal Range
        • Island Mountain
          • Moose Peak
http://rruff.geo.arizona.edu/doclib/hom/aluminocopiapite.pdf.
  • Colorado
    • Gilpin Co.
      • Central City District
http://rruff.geo.arizona.edu/doclib/hom/aluminocopiapite.pdf.
  • South Dakota
    • Lawrence Co.
      • Bald Mountain District
Mineral Webzine, Dec. 2001
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
  • Virginia
    • Louisa Co.
      • Gold-Pyrite Belt
        • Mineral
Minerals of Virginia, 1990 by R. V. Dietrich
Mineral and/or Locality  
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