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
Please feel free to link to this page.
Please feel free to link to this page.
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External Links:
References for Zincocopiapite
Localities for Zincocopiapite
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.
Canada | |
| Gait et al. (1990) |
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. (1993) |
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