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Calciocopiapite

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

Classification of Calciocopiapite

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
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First Recorded Occurrence of Calciocopiapite

Year of Discovery:
1960
Geological Setting of First Recorded Material:
Oxidized zone of a pyrite-magnetite deposit.

Physical Properties of Calciocopiapite

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

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
Z:
1
Morphology:
Powdery crusts.
Comment:
By analogy to copiapite.

Optical Data of Calciocopiapite

Type:
Biaxial

Chemical Properties of Calciocopiapite

Formula:
CaFe4(SO4)6(OH)2 · 10H2O
Essential elements:
All elements listed in formula:
Empirical Formula:
CaFe43+(SO4)6(OH)2 · 10H2O

Relationship of Calciocopiapite to other Species

Member of:
Other Members of Group:
AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
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
7.DB.05AubertiteCuAl(SO4)2Cl · 14H2O
7.DB.05Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
7.DB.05Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
7.DB.10KhademiteAl(SO4)F · 5H2O
7.DB.10RostiteAl(SO4)(OH) · 5H2O
7.DB.15JurbaniteAl(SO4)(OH) · 5H2O
7.DB.20Minasragrite(V4+O)(SO4) · 5H2O
7.DB.20Orthominasragrite(V4+O)(SO4) · 5H2O
7.DB.20Anorthominasragrite(V4+O)(SO4) · 5H2O
7.DB.25Bobjonesite(V4+O)(SO4) · 3H2O
7.DB.30AmarantiteFe23+(SO4)2O · 7H2O
7.DB.30HohmanniteFe23+(SO4)2O · 8H2O
7.DB.30MetahohmanniteFe23+(SO4)2O · 4H2O
7.DB.35AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2O
7.DB.35FerricopiapiteFe5(SO4)6O(OH) · 20H2O
7.DB.35MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
7.DB.35ZincocopiapiteZnFe43+(SO4)6(OH)2 · 18H2O

Other Names for Calciocopiapite

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 Calciocopiapite

Reference List:
American Mineralogist: 47: 807.

Internet Links for Calciocopiapite

Localities for Calciocopiapite

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.
Azerbaijan
 
  • Daşkəsən District (Daskasan; Dashkyasan)
    • 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
USA
 
  • California
    • San Bernardino Co.
      • Calico Mts (Calico Hills)
        • Calico District (Daggett District)
          • Yermo
            • Mule Canyon
Excalibur Mineral Co.
Mineral and/or Locality  
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