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Calciocopiapite

Big Photo

Sulphur Hole, Borate, Calico District (Daggett District), Calico Mts, San Bernardino Co., California, USA
© 2007, JGW

Formula:
CaFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
·10H
 
2
O
System:TriclinicColour:Grayish yellow to ...
Hardness:2½ - 3
Name:Calcium member of the copapite group.
This page provides mineralogical data about Calciocopiapite.

Classification of Calciocopiapite

IMA status:Approved
Strunz 8th edition ID:6/0.0-30
Nickel-Strunz 10th (pending) edition ID: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 8th edition ID:31.10.5.5

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
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Type Occurrence of Calciocopiapite

Type Locality:Dashkesan (Dashkezan) Co-Fe deposit, Dashkesan, Daşkəsən (Daskasan; Dashkyasan) District, Azerbaijan
Year of Discovery:1960
Geological Setting of type material:Oxidized zone of a pyrite-magnetite deposit.

Physical Properties of Calciocopiapite

Colour:Grayish yellow to brownish yellow
Hardness (Mohs):2½ - 3
Density (calculated):2.225 g/cm3

Crystallography of Calciocopiapite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 7.35Å, b = 18.21Å, c = 7.01Å
α = 85.52°, β = 103.55°, γ = 100.62°
Ratio:a:b:c = 0.404 : 1 : 0.385
Unit Cell Volume:V 895.90 ų (Calculated from Unit Cell)
Z:1
Morphology:Powdery crusts.
Comment:By analogy to copiapite.

Optical Data of Calciocopiapite

Type:Biaxial

Chemical Properties of Calciocopiapite

Formula:
CaFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
·10H
 
2
O
Essential elements:Ca, Fe, H, O, S
All elements listed in formula:Ca, Fe, H, O, S
Empirical Formula:
CaFe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
·10H
 
2
O

Relationship of Calciocopiapite to other Species

Member of Group:
Copiapite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
7.DB.05Aubertite
CuAl[Cl|(SO
 
4
)
 
2
] · 14H
 
2
O
7.DB.05Magnesioaubertite
(Mg,Cu)Al[Cl|(SO
 
4
)
 
2
] · 14H
 
2
O
7.DB.05Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)[F|(SO
 
4
)
 
2
] · 14H
 
2
O
7.DB.10Khademite
Al[F|SO
 
4
] · 5H
 
2
O
7.DB.10Rostite
Al[OH|SO
 
4
] · 5H
 
2
O
7.DB.15Jurbanite
Al[OH|SO
 
4
] · 5H
 
2
O
7.DB.20Minasragrite
(V
4+
 
O)[SO
 
4
] · 5H
 
2
O
7.DB.20Orthominasragrite
(V
4+
 
O)[SO
 
4
] · 5H
 
2
O
7.DB.20Anorthominasragrite
(V
4+
 
O)[SO
 
4
] · 5H
 
2
O
7.DB.25Bobjonesite
(V
4+
 
O)[SO
 
4
] · 3H
 
2
O
7.DB.30Amarantite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 7H
 
2
O
7.DB.30Hohmannite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 8H
 
2
O
7.DB.30Metahohmannite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DB.35Aluminocopiapite
Al
 
2/3
Fe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
7.DB.35Copiapite
Fe
2+
 
Fe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
7.DB.35Cuprocopiapite
CuFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
·20H
 
2
O
7.DB.35Ferricopiapite
Fe
 
5
(SO
 
4
)
 
6
O(OH)·20H
 
2
O
7.DB.35Magnesiocopiapite
MgFe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
7.DB.35Zincocopiapite
ZnFe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 18H
 
2
O

Other Names for Calciocopiapite

Synonyms:
Tusiite
Other Languages:
German:Calciocopiapit
Spanish:Calciocopiapita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Calciocopiapite

Reference List:American Mineralogist: 47: 807.

Internet Links for Calciocopiapite

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  • Raman and XRD data at RRUFF project
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    Localities for Calciocopiapite

    (TL) indicates type locality. ? 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.
    Azerbaijan
     
    • Daşkəsən (Daskasan; Dashkyasan) District
      • Dashkesan
    		Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mineral and/or Locality
    Google
     
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