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
GUID
(UUID V4):
(UUID V4):
61f5cf56-5dc9-4e89-a527-10053dfc8868
Classification of Zincobotryogen
Approved
Approval year:
2016
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 |
---|---|---|
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
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
Dispersion:
weak
Pleochroism:
Visible
Comments:
colorless (X) - light yellow (Y) - yellow (Z)
Comments:
Z ‖ b; X ∧ c = 10°; negative elongation
Chemical Properties of Zincobotryogen
Formula:
(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2O
IMA Formula:
ZnFe3+(SO4)2(OH) · 7H2O
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
Simplified Chinese:锌赤铁矾
Related Minerals - Strunz-mindat Grouping
7.DC.05 | Aluminite | Al2(SO4)(OH)4 · 7H2O |
7.DC.05 | Meta-aluminite | Al2(SO4)(OH)4 · 5H2O |
7.DC.10 | Butlerite | Fe3+(SO4)(OH) · 2H2O |
7.DC.10 | Parabutlerite | 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.
External Links:
Mineral Dealers:
References for Zincobotryogen
Reference List:
Localities for Zincobotryogen
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.
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Bisbee, Cochise County, Arizona, USA