Calciocopiapite
A valid IMA mineral species
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About Calciocopiapite
Formula:
CaFe3+4(SO4)6(OH)2 · 20H2O
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.
Unique Identifiers
Mindat ID:
826
Long-form identifier:
mindat:1:1:826:6
GUID
(UUID V4):
(UUID V4):
a817a972-5559-4016-af1a-80b87702c5dd
IMA Classification of Calciocopiapite
Approved
First published:
1960
Classification of Calciocopiapite
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
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
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Ccpi | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Calciocopiapite
Transparency:
Translucent
Colour:
Grayish yellow to brownish yellow
Hardness:
2½ - 3 on Mohs scale
Density:
2.225 g/cm3 (Calculated)
Optical Data of Calciocopiapite
Type:
Biaxial
Chemistry of Calciocopiapite
Mindat Formula:
CaFe3+4(SO4)6(OH)2 · 20H2O
Crystallography of Calciocopiapite
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°
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 Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.108 Å | (10) |
3.027 Å | (10) |
2.809 Å | (10) |
1.860 Å | (10) |
3.458 Å | (9) |
1.267 Å | (9) |
1.244 Å | (9) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
45a : [Sulfates, arsenates, selenates, antimonates] | |
47a : [Near-surface hydration of prior minerals] | |
47b : [Sulfates and sulfites] | |
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
50 : Coal and/or oil shale minerals | <0.36 |
Stage 10b: Anthropogenic minerals | <10 Ka |
54 : Coal and other mine fire minerals (see also #51 and #56) |
Type Occurrence of Calciocopiapite
General Appearance of Type Material:
powdery crusts
Geological Setting of Type Material:
Oxidized zone of a pyrite-magnetite deposit.
Associated Minerals at Type Locality:
Reference:
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.
Synonyms of Calciocopiapite
Other Language Names for Calciocopiapite
German:Calciocopiapit
Spanish:Calciocopiapita
Relationship of Calciocopiapite to other Species
Member of:
Other Members of this group:
Aluminocopiapite | Al2/3Fe3+4(SO4)6(OH)2 · 20H2O | Tric. 1 : P1 |
Copiapite | Fe2+Fe3+4(SO4)6(OH)2 · 20H2O | Tric. 1 : P1 |
Cuprocopiapite | Cu2+Fe3+4(SO4)6(OH)2 · 20H2O | Tric. 1 : P1 |
Ferricopiapite | Fe3+0.67Fe3+4(SO4)6(OH)2 · 20H2O | Tric. 1 : P1 |
Magnesiocopiapite | MgFe3+4(SO4)6(OH)2 · 20H2O | Tric. 1 : P1 |
Zincocopiapite | ZnFe3+4(SO4)6(OH)2 · 18H2O | Tric. 1 : P1 |
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Calciocopiapite associated with Aluminocopiapite | Al2/3Fe3+4(SO4)6(OH)2 · 20H2O |
Related Minerals - Strunz-mindat Grouping
7.DB.05 | Aubertite | CuAl(SO4)2Cl · 14H2O |
7.DB.05 | Magnesioaubertite | (Mg,Cu)Al(SO4)2Cl · 14H2O |
7.DB.05 | Svyazhinite | (Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O |
7.DB.10 | Khademite | Al(SO4)F · 5H2O |
7.DB.10 | Rostite | Al(SO4)(OH) · 5H2O |
7.DB.15 | Jurbanite | Al(SO4)(OH) · 5H2O |
7.DB.20 | Minasragrite | (V4+O)(SO4) · 5H2O |
7.DB.20 | Orthominasragrite | (V4+O)(SO4) · 5H2O |
7.DB.20 | Anorthominasragrite | (V4+O)(SO4) · 5H2O |
7.DB.25 | Bobjonesite | (V4+O)(SO4) · 3H2O |
7.DB.27 | Karpovite | Tl2VO(SO4)2(H2O) |
7.DB.30 | Amarantite | Fe3+2(SO4)2O · 7H2O |
7.DB.30 | Hohmannite | Fe3+2(SO4)2O · 8H2O |
7.DB.30 | Metahohmannite | Fe3+2(SO4)2O · 4H2O |
7.DB.35 | Aluminocopiapite | Al2/3Fe3+4(SO4)6(OH)2 · 20H2O |
7.DB.35 | Copiapite | Fe2+Fe3+4(SO4)6(OH)2 · 20H2O |
7.DB.35 | Cuprocopiapite | Cu2+Fe3+4(SO4)6(OH)2 · 20H2O |
7.DB.35 | Ferricopiapite | Fe3+0.67Fe3+4(SO4)6(OH)2 · 20H2O |
7.DB.35 | Magnesiocopiapite | MgFe3+4(SO4)6(OH)2 · 20H2O |
7.DB.35 | Zincocopiapite | ZnFe3+4(SO4)6(OH)2 · 18H2O |
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.
Internet Links for Calciocopiapite
mindat.org URL:
https://www.mindat.org/min-826.html
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External Links:
References for Calciocopiapite
Localities for Calciocopiapite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Azerbaijan (TL) | |
| Kashkai M A (1960) +2 other references |
Italy | |
| mikon-online.com (n.d.) +2 other references |
USA | |
| Excalibur Mineral Co.... |
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Sulphur Hole, Calico, Calico District, Calico Mts, San Bernardino County, California, USA