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Cuprocopiapite

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Formula:
CuFe4(SO4)6(OH)2 · 20H2O
Colour:
Yellow-orange, greenish-yellow
Lustre:
Pearly
Hardness:
2½ - 3
Specific Gravity:
2.23
Crystal System:
Triclinic
Member of:
Name:
In allusion to the composition as the copper dominant (CUPRO) member of the COPIAPITE group.
Hide all sections | Show all sections

Classification of CuprocopiapiteHide

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
31.10.5.3

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous

Physical Properties of CuprocopiapiteHide

Pearly
Colour:
Yellow-orange, greenish-yellow
Hardness:
2½ - 3 on Mohs scale
Cleavage:
Perfect
Perfect on {010}
Imperfect on {101}
Density:
2.23 g/cm3 (Measured)    2.26 g/cm3 (Calculated)

Optical Data of CuprocopiapiteHide

Type:
Biaxial (+)
RI values:
nα = 1.558 nβ = 1.575 nγ = 1.620
2V:
Calculated: 63°
Max Birefringence:
δ = 0.062
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
Strong r > v
Pleochroism:
Strong
Comments:
Shades of green

Chemical Properties of CuprocopiapiteHide

Formula:
CuFe4(SO4)6(OH)2 · 20H2O
IMA Formula:
Cu2+Fe3+4(SO4)6(OH)2 · 20H2O

Crystallography of CuprocopiapiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.34 Å, b = 18.19 Å, c = 7.28 Å
α = 93.88°, β = 101.5°, γ = 99.38°
Ratio:
a:b:c = 0.404 : 1 : 0.4
Unit Cell V:
934.68 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Fine-grained lumpy aggregates.

Type Occurrence of CuprocopiapiteHide

Place of Conservation of Type Material:
Harvard University, Boston Ma, USA 99048, 99060

Other Language Names for CuprocopiapiteHide

Simplified Chinese:铜叶绿矾

Relationship of Cuprocopiapite to other SpeciesHide

Member of:
Other Members of this group:
AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
MagnesiocopiapiteMgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
ZincocopiapiteZnFe3+4(SO4)6(OH)2 · 18H2OTric.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Chalcanthite2 photos of Cuprocopiapite associated with Chalcanthite on mindat.org.
Coquimbite1 photo of Cuprocopiapite associated with Coquimbite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DB.05AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
7.DB.05Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
7.DB.05Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
7.DB.10KhademiteAl(SO4)F · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.10RostiteAl(SO4)(OH) · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.15JurbaniteAl(SO4)(OH) · 5H2OMon.
7.DB.20Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m
7.DB.20Orthominasragrite(V4+O)(SO4) · 5H2OOrth. mm2 : Pmn21
7.DB.20Anorthominasragrite(V4+O)(SO4) · 5H2OTric. 1 : P1
7.DB.25Bobjonesite(V4+O)(SO4) · 3H2OMon. 2/m
7.DB.30AmarantiteFe3+2(SO4)2O · 7H2OTric. 1
7.DB.30HohmanniteFe3+2(SO4)2O · 8H2OTric. 1
7.DB.30MetahohmanniteFe3+2(SO4)2O · 4H2OTric. 1 : P1
7.DB.35AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
7.DB.35CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
7.DB.35MagnesiocopiapiteMgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35ZincocopiapiteZnFe3+4(SO4)6(OH)2 · 18H2OTric.

Related Minerals - Dana Grouping (8th Ed.)Hide

31.10.5.1CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
31.10.5.2MagnesiocopiapiteMgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
31.10.5.4FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
31.10.5.5CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
31.10.5.6ZincocopiapiteZnFe3+4(SO4)6(OH)2 · 18H2OTric.
31.10.5.7AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1

Other InformationHide

Notes:
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 CuprocopiapiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bandy (1938) American Mineralogist: 23: 737-739.
Palache, C., Peacock and Berry (1946) University of Toronto Stud., Geol. Series, no. 50: 9.
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.
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 CuprocopiapiteHide

Localities for CuprocopiapiteHide

This 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.

Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Roxburgh Co.
Jim Sharpe, coll.
  • South Australia
    • Olary Province
      • Mingary
        • Pine Creek - Mutooroo area
Chile
 
  • Antofagasta Region
    • Antofagasta Province
samples analysed by Gerhard Mohn and Joy Desor
    • El Loa Province
      • Calama
        • Cerritos Bayos
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.
        • Chuquicamata 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: 625; Canadian Mineralogist (1985): 23: 53.
China
 
  • Xinjiang Autonomous Region
    • Hami Prefecture (Kumul Prefecture; Qumul Prefecture)
      • Hami Co. (Kumul Co.; Qumul Co.)
Yingxia Xu, Kezhang Qin, Kuishou Ding, Yu Miao, Tonghui Fang, Xingwang Xu, and He Sun (2007): Mineral Deposits 26(1), 58-69
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
            • Hilarion area
Wendel, W. (2000): Lavrion-News 2000. Lapis 25 (10), 45-47.
Myanmar
 
  • Shan State
    • Kyaukme District
      • Namtu Township
Dill, H. G., Weber, B., & Botz, R. (2013). Metalliferous duricrusts. Neues Jahrbuch für Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 190(2), 123-195.
Portugal
 
  • Aveiro District
    • Albergaria-a-Velha
      • Branca
Marques de Sá, J. & Leal Gomes, C. (2010): Les mines de cuivre et nickel de Palhal et Telhadela, Albergaria-a-Velha, Aveiro, Portugal. Le Règne Minéral, 92, 36-47.
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
          • Bisbee
            • Calumet and Arizona group of claims (Calumet and Arizona Mining Company group of claims)
Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 3.
    • Yavapai Co.
      • Black Hills (Black Hill Range)
        • Verde District
          • Jerome
Lausen, C. (1928): Hydrous sulphates formed under fumerolic conditions at the United Verde Mine. American Mineralogist 13, 203-229.
  • California
    • Amador Co.
      • Pardee District
        • Sunnybrook
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273, 274.
Mineral and/or Locality  
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