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Calciocopiapite

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Formula:
CaFe4(SO4)6(OH)2 · 10H2O
Colour:
Grayish yellow to brownish yellow
Hardness:
2½ - 3
Specific Gravity:
2.225 (Calculated)
Crystal System:
Triclinic
Member of:
Name:
Calcium member of the copapite group.
This page provides mineralogical data about Calciocopiapite.


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Classification of CalciocopiapiteHide

Approved
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
31.10.5.5

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous

Physical Properties of CalciocopiapiteHide

Transparency:
Translucent
Colour:
Grayish yellow to brownish yellow
Hardness:
2½ - 3 on Mohs scale
Density:
2.225 g/cm3 (Calculated)

Optical Data of CalciocopiapiteHide

Type:
Biaxial

Chemical Properties of CalciocopiapiteHide

Formula:
CaFe4(SO4)6(OH)2 · 10H2O
IMA Formula:
CaFe3+4(SO4)6(OH)2 · 20H2O

Crystallography of CalciocopiapiteHide

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

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.108 (10)
3.027 (10)
2.809 (10)
1.860 (10)
3.458 (9)
1.267 (9)
1.244 (9)

Type Occurrence of CalciocopiapiteHide

General Appearance of Type Material:
powdery crusts
Geological Setting of Type Material:
Oxidized zone of a pyrite-magnetite deposit.
Associated Minerals at Type Locality:

Synonyms of CalciocopiapiteHide

Other Language Names for CalciocopiapiteHide

Relationship of Calciocopiapite to other SpeciesHide

Member of:
Other Members of this group:
AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
CuprocopiapiteCuFe4(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.

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.35CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CuprocopiapiteCuFe4(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
31.10.5.3CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2OTric. 1 : P1
31.10.5.4FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 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

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 CalciocopiapiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kashkai M A, Alijev R M (1960) The new mineral - calciocopiapite (tuciit) of the capiapite group and the characteristics of this group in general. Trudy Azerbaĭdzhanskogo Geograficheskogo Obshchestva 1960, 49-76
Fleischer M (1962) New mineral names. American Mineralogist: 47: 807.
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 CalciocopiapiteHide

Localities for CalciocopiapiteHide

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.
Azerbaijan (TL)
 
  • Daşkəsən District (Daskasan; Dashkyasan)
    • Dashkesan
Kashkai M A, Alijev R M (1960) The new mineral - calciocopiapite (tuciit) of the capiapite group and the characteristics of this group in general. Trudy Azerbaĭdzhanskogo Geograficheskogo Obshchestva 1960, 49-76; 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
USA
 
  • California
    • San Bernardino Co.
      • Calico Mts (Calico Hills)
        • Calico District (Daggett District; Calico-Daggett area)
          • Calico
Excalibur Mineral Co.
Mineral and/or Locality  
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