Zincocopiapite
A valid IMA mineral species - grandfathered
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About Zincocopiapite
Formula:
ZnFe3+4(SO4)6(OH)2 · 18H2O
Colour:
Yellowish green, canary yellow
Lustre:
Vitreous
Hardness:
2
Specific Gravity:
2.181
Crystal System:
Triclinic
Member of:
Name:
Named as the zinc end-member of the Copiapite Group
Unique Identifiers
Mindat ID:
4413
Long-form identifier:
mindat:1:1:4413:0
GUID
(UUID V4):
(UUID V4):
c7f115d5-788f-4fa8-944f-c7f3321ee1ec
IMA Classification of Zincocopiapite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
ZnFe3+4(SO4)6(OH)2 · 20H2O
Classification of Zincocopiapite
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
31.10.5.6
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 |
|---|---|---|
| Zcpi | 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 Zincocopiapite
Vitreous
Transparency:
Transparent, Translucent
Colour:
Yellowish green, canary yellow
Hardness:
2 on Mohs scale
Cleavage:
Perfect
{010}
{010}
Density:
2.181 g/cm3 (Measured) 2.15 g/cm3 (Calculated)
Optical Data of Zincocopiapite
Type:
Biaxial (+)
RI values:
nα = 1.532 - 1.534 nβ = 1.540 - 1.554 nγ = 1.586 - 1.592
2V:
Calculated: 44° to 78°
Max Birefringence:
δ = 0.054 - 0.058
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Strong
Comments:
X = yellow; Y = colorless; Z = deep canary-yellow
Chemistry of Zincocopiapite
Mindat Formula:
ZnFe3+4(SO4)6(OH)2 · 18H2O
Crystallography of Zincocopiapite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.355(5) Å, b = 18.40(12) Å, c = 7.28 Å
α = 94.8(10)°, β = 102.2(6)°, γ = 98.93(40)°
α = 94.8(10)°, β = 102.2(6)°, γ = 98.93(40)°
Ratio:
a:b:c = 0.4 : 1 : 0.396
Unit Cell V:
944.35 ų (Calculated from Unit Cell)
Z:
1
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 18.2 Å | (100) |
| 9.06 Å | (90) |
| 6.06 Å | (50) |
| 3.568 Å | (50) |
| 6.55 Å | (30) |
| 5.20 Å | (30) |
| 4.87 Å | (25) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3b: Earth’s earliest hydrosphere | >4.45 |
| 14 : Hot springs, geysers, and other subaerial geothermal minerals | |
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] |
Type Occurrence of Zincocopiapite
Associated Minerals at Type Locality:
Reference:
Tu Kwang-chih, Li Hsi-lin, Hsieh Hsen-deh, and Yin Shu-sen (1964) Zincobotryogen and zincocopiapite, two new varieties of sulfate minerals. Acta Geologica Sinica 44(1), 99-101
Other Language Names for Zincocopiapite
Relationship of Zincocopiapite to other Species
Member of:
Other Members of this group:
| Aluminocopiapite | Al2/3Fe3+4(SO4)6(OH)2 · 20H2O | Tric. 1 : P1 |
| Calciocopiapite | CaFe3+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 |
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Zincocopiapite associated with Zincovoltaite | K2Zn5Fe3+3Al(SO4)12 · 18H2O |
| 1 photo of Zincocopiapite associated with Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
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 | Calciocopiapite | CaFe3+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 |
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 Zincocopiapite
mindat.org URL:
https://www.mindat.org/min-4413.html
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Please feel free to link to this page.
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External Links:
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References for Zincocopiapite
Reference List:
Localities for Zincocopiapite
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Canada | |
| Mineralogical Record: 21: 533. |
China (TL) | |
| Guangzhi Tu et al. (1964) |
Germany | |
| Collection Elmar Lackner +3 other references |
Greece | |
| |
| Branko Rieck collection | |
Hungary | |
| collector: Gábor Koller +1 other reference |
Slovakia | |
| Ďuďa R. et al. (Schemnitz) |
Spain | |
| Calvo Rebollar et al. (2022) |
Switzerland | |
| Perroud et al. (1987) |
USA | |
| Grant et al. (2005) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
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Mátraszentimre, Gyöngyös District, Heves County, Hungary