Zincobotryogen
A valid IMA mineral species
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About Zincobotryogen
Formula:
(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2O
Colour:
Bright orange-red
Lustre:
Vitreous, Greasy
Hardness:
2½
Crystal System:
Monoclinic
Name:
The name is derived from its zinc content and similarity to botryogen.
The Zn analogue of botryogen. The higher hydrate counterpart of chaidamuite. Chemically similar to zincocopiapite and somehow to lishizhenite. A very rare secondary Zn-Fe(III) sulphate formed in the oxidation zone.
Orginally described as a new mineral by Kwang-chih et al. (1964) from Xitieshan Pb-Zn deposit, Da Qaidam Co., Haixi Autonomous Prefecture, Qinghai (Chinghai) Province, China. Thereafter considered as a mineral that needed reinvestigation. Finally approved by IMA in 2016 (IMA 2015-107).
Crystal structure details:
(1) chains of the [Fe3+(SO4)2(OH)(H2O)]2− composition, set || c
(2) chain-linked [MO(H2O)5] octahedra, where M = Zn, Mg
(3) also chain-linked but unshared water molecule
(4) 1+2+3 gives larger chain-forming [M2+Fe3+(SO4)2(OH)(H2O)6(H2O)] module
(5) hydrogen bonds play a role of an inter-chain module linkage
Orginally described as a new mineral by Kwang-chih et al. (1964) from Xitieshan Pb-Zn deposit, Da Qaidam Co., Haixi Autonomous Prefecture, Qinghai (Chinghai) Province, China. Thereafter considered as a mineral that needed reinvestigation. Finally approved by IMA in 2016 (IMA 2015-107).
Crystal structure details:
(1) chains of the [Fe3+(SO4)2(OH)(H2O)]2− composition, set || c
(2) chain-linked [MO(H2O)5] octahedra, where M = Zn, Mg
(3) also chain-linked but unshared water molecule
(4) 1+2+3 gives larger chain-forming [M2+Fe3+(SO4)2(OH)(H2O)6(H2O)] module
(5) hydrogen bonds play a role of an inter-chain module linkage
Unique Identifiers
Mindat ID:
4411
Long-form identifier:
mindat:1:1:4411:6
IMA Classification of Zincobotryogen
Classification of Zincobotryogen
7.DC.25
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
C : With only medium-sized cations; chains of edge-sharing octahedra
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
C : With only medium-sized cations; chains of edge-sharing octahedra
31.9.6.2
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
25.5.16
25 : Sulphates
5 : Sulphates of Zn and Hg
25 : Sulphates
5 : Sulphates of Zn and Hg
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 for Standard |
|---|---|---|
| Zbyg | 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 Zincobotryogen
Optical Data of Zincobotryogen
Type:
Biaxial (+)
RI values:
nα = 1.542(5) nβ = 1.551(5) nγ = 1.587(5)
2V:
Calculated: 54.1°
Max. Birefringence:
δ = 0.045
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
Surface Relief:
Moderate
Dispersion:
weak
Pleochroism:
Visible
Comments:
colorless (X) - light yellow (Y) - yellow (Z)
Comments:
Z ‖ b; X ∧ c = 10°; negative elongation
Chemistry of Zincobotryogen
Mindat Formula:
(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2O
Element Weights:
Crystallography of Zincobotryogen
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 10.504(2) Å, b = 17.801(4) Å, c = 7.1263(1) Å
β = 100.08(3)°
β = 100.08(3)°
Ratio:
a:b:c = 0.59 : 1 : 0.4
Unit Cell V:
1311.9 ų
Z:
4
Comment:
P21/n
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0009339 | Zincobotryogen | Susse P (1968) Die kristallstruktur des botryogens Acta Crystallographica B24 760-767 |  | 1968 | Rammelsberg mine near Goslar, Germany | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.92 Å | (100) |
| 6.32 Å | (77) |
| 5.56 Å | (23) |
| 5.14 Å | (45) |
| 4.08 Å | (22) |
| 3.76 Å | (20) |
| 3.21 Å | (31) |
| 3.03 Å | (34) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] |
Type Occurrence of Zincobotryogen
General Appearance of Type Material:
prismatic crystals, 0.05 to 2 mm in size
Place of Conservation of Type Material:
collections of the Museum of the Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O.Box 9825, Beijing 100029, China (registration number KDX067)
Geological Setting of Type Material:
oxidation zone of a Pb-Zn deposit
Associated Minerals at Type Locality:
Synonyms of Zincobotryogen
Other Language Names for Zincobotryogen
Related Minerals - Strunz-mindat Grouping
| 7.DC.05 | Meta-aluminite | Al2(SO4)(OH)4 · 5H2O |
| 7.DC.05 | Aluminite | Al2(SO4)(OH)4 · 7H2O |
| 7.DC.10 | Parabutlerite | Fe3+(SO4)(OH) · 2H2O |
| 7.DC.10 | Butlerite | Fe3+(SO4)(OH) · 2H2O |
| 7.DC.15 | Fibroferrite | Fe3+(SO4)(OH) · 5H2O |
| 7.DC.20 | Xitieshanite | Fe3+(SO4)Cl · 6H2O |
| 7.DC.25 | Botryogen | MgFe3+(SO4)2(OH) · 7H2O |
| 7.DC.30 | Chaidamuite | ZnFe3+(SO4)2(OH) · 4H2O |
| 7.DC.30 | Guildite | CuFe3+(SO4)2(OH) · 4H2O |
| 7.DC.40 | Pauladamsite | Cu4(SeO3)(SO4)(OH)4 · 2H2O |
| 7.DC.45 | Riotintoite | Al(SO4)(OH) · 3H2O |
| 7.DC.50 | Thorneite | Pb6(Te6+2O10)(CO3)Cl2(H2O) |
| 7.DC.55 | Vendidaite | Al2(SO4)(OH)3Cl · 6H2O |
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 Zincobotryogen
mindat.org URL:
https://www.mindat.org/min-4411.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Zincobotryogen
Reference List:
Hålenius, U., Hatert, F., Pasero, M., Mills, S.J. (2016) New minerals and nomenclature modifications approved in 2016, CNMNC Newsletter no 30. Mineralogical Magazine, 80 (2) 407-413 doi:10.1180/minmag.2016.080.081
Localities for Zincobotryogen
Showing 10 localities.
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.
Chile | |
| Samples analysed by Tony Kampf of LAC ... |
China (TL) | |
| Guangzhi Tu et al. (1964) +4 other references |
Germany | |
| American Mineralogist 103: 330-337 +1 other reference |
Iran | |
| Khorasanipour (2015) |
Spain | |
| Georges FAVREAU collection & EDX ... |
USA | |
| Graeme (1993) |
| Graeme (1993) +1 other reference | |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
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Bisbee, Cochise County, Arizona, USA