Jahnsite-(MnMnZn)
A valid IMA mineral species
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About Jahnsite-(MnMnZn)
Formula:
Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O
Colour:
light golden brown
Lustre:
Vitreous, Silky
Hardness:
4
Specific Gravity:
2.89
Crystal System:
Monoclinic
Member of:
Name:
From the root name Jahnsite and the metal occupancy of crystallographic sites.
This page provides mineralogical data about Jahnsite-(MnMnZn).
Unique Identifiers
Mindat ID:
52903
Long-form identifier:
mindat:1:1:52903:3
GUID
(UUID V4):
(UUID V4):
cdec428d-9984-4e6d-90bd-1d37a5ebf52c
IMA Classification of Jahnsite-(MnMnZn)
Approved
Approval year:
2018
First published:
2019
Classification of Jahnsite-(MnMnZn)
8.DH.15
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
Mineral Symbols
As of 2021 there are now IMAâCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMAâCNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Jah-MnMnZn | IMAâCNMNC | Warr, L.N. (2021). IMAâCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Jhn | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Jahnsite-(MnMnZn)
Vitreous, Silky
Transparency:
Transparent
Colour:
light golden brown
Streak:
white
Hardness:
4 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
parallel to {001}
parallel to {001}
Fracture:
Irregular/Uneven, Splintery
Density:
2.89(2) g/cm3 (Measured)
Optical Data of Jahnsite-(MnMnZn)
Type:
Biaxial (+)
RI values:
nα = 1.655(2) nβ = 1.662(2) nγ = 1.670(2)
2V:
Measured: 1.662° (2)
Max Birefringence:
δ = 0.015
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:
Moderate
Pleochroism:
Visible
Comments:
X nearly colourless, Y and Z beige;
Chemistry of Jahnsite-(MnMnZn)
Mindat Formula:
Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O
Crystallography of Jahnsite-(MnMnZn)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Setting:
P2/a
Cell Parameters:
a = 15.222(6) Å, b = 7.187(6) Å, c = 10.028(5) Å
β = 111.746(16)°
β = 111.746(16)°
Ratio:
a:b:c = 2.118 : 1 : 1.395
Unit Cell V:
1,019.00 Ă
Âł (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
9.25 Ă | (63) |
5.00 Ă | (40) |
4.648 Ă | (33) |
3.509 Ă | (41) |
2.842 Ă | (100) |
1.998 Ă | (37) |
1.951 Ă | (30) |
1.585 Ă | (33) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-đ alteration and/or metamorphism | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
Type Occurrence of Jahnsite-(MnMnZn)
General Appearance of Type Material:
Sub-parallel bundles of light golden brown prisms up to 0.3 mm long.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Blvd, Los Angeles, California, USA, catalogue number 67277
Associated Minerals at Type Locality:
Reference:
Kampf, A. R., Alves, P., Kasatkin, A., & Ć koda, R. (2019). Jahnsite-(MnMnZn), a new jahnsite-group mineral, and formal approval of the jahnsite group. European Journal of Mineralogy, 31(1), 167-172.
Synonyms of Jahnsite-(MnMnZn)
Relationship of Jahnsite-(MnMnZn) to other Species
Member of:
Other Members of this group:
Jahnsite-(CaFeFe) | {Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. |
Jahnsite-(CaFeMg) | CaFe2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(CaMnFe) | {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(CaMnMg) | {Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(CaMnMn) | {Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(CaMnZn) | CaMn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(MnMnFe) | Mn2+Mn2+Fe2+2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(MnMnMg) | Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(MnMnMn) | {Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P21/b |
Jahnsite-(NaFeMg) | NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(NaMnMg) | {(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Jahnsite-(NaMnMn) | NaMn2+(Mn2+Fe3+)Σ2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : P2/b |
Keckite | CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O | Mon. 2/m : P2/b |
Common Associates
Associated Minerals Based on Photo Data:
1 photo of Jahnsite-(MnMnZn) associated with Libethenite | Cu2(PO4)(OH) |
Related Minerals - Strunz-mindat Grouping
8.DH. | Ferroberaunite | Fe2+Fe3+5(PO4)4(OH)5 · 6H2O |
8.DH. | Rowleyite | [Na(NH4,K)9Cl4][V5+,4+2(P,As)O8]6 · n[H2O,Na,NH4,K,Cl] |
8.DH. | Ammoniotinsleyite | (NH4)Al2(PO4)2(OH) · 2H2O |
8.DH. | Thebaite-(NH4) | (NH4)3Al(C2O4)(PO3OH)2(H2O) |
8.DH. | Dendoraite-(NH4) | (NH4)2NaAl(C2O4)(PO3OH)2(H2O)2 |
8.DH. | Whiteite-(MnMnMn) | Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2O |
8.DH. | Whiteite-(CaMnFe) | CaMnFe2Al2(PO4)4(OH)2 · 8H2O |
8.DH. | Hochleitnerite | Mn2Ti3(PO4)4O2(H2O)2 · 14H2O |
8.DH. | Regerite | KFe6(PO4)4(OH)7(H2O)6 · 4H2O |
8.DH. | Hydroxylbenyacarite | (H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O |
8.DH. | Macraeite | K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O |
8.DH.05 | Minyulite | KAl2(PO4)2F · 4H2O |
8.DH.10 | Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O |
8.DH.10 | Spheniscidite | (NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O |
8.DH.10 | Tinsleyite | KAl2(PO4)2(OH) · 2H2O |
8.DH.15 | Jahnsite-(CaMnFe) | {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnMg) | {Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnMn) | {Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Keckite | CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O |
8.DH.15 | Rittmannite | {(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaFeMg) | {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMnMg) | {Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(MnFeMg) | {(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnMn) | {Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Kaluginite | (Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2O |
8.DH.15 | Jahnsite-(CaFeFe) | {Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaFeMg) | NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaMnMg) | {(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMgMg) | {Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMnMn) | {Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(MnMnMg) | MnMnMg2Al2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnMg) | Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaFeMg) | CaFe2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(MnMnFe) | Mn2+Mn2+Fe2+2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Whiteite-(CaMgMg) | CaMg3Al2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(NaMnMn) | NaMn2+(Mn2+Fe3+)Σ2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.15 | Jahnsite-(CaMnZn) | CaMn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.20 | Lun'okite | (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2O |
8.DH.20 | Manganosegelerite | (Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2O |
8.DH.20 | Overite | CaMgAl(PO4)2(OH) · 4H2O |
8.DH.20 | Segelerite | Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O |
8.DH.20 | Wilhelmvierlingite | CaMnFe3+(PO4)2(OH) · 2H2O |
8.DH.20 | Juonniite | CaMgSc(PO4)2(OH) · 4H2O |
8.DH.25 | Calcioferrite | Ca2Fe3+2(PO4)3(OH) · 7H2O |
8.DH.25 | Kingsmountite | Ca3MnFeAl4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Montgomeryite | Ca4MgAl4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Zodacite | Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O |
8.DH.25 | Fanfaniite | Ca4MnAl4(PO4)6(OH)4 · 12H2O |
8.DH.30 | Arseniosiderite | Ca2Fe3+3(AsO4)3O2 · 3H2O |
8.DH.30 | Kolfanite | Ca2Fe3+3O2(AsO4)3 · 2H2O |
8.DH.30 | Mitridatite | Ca2Fe3+3(PO4)3O2 · 3H2O |
8.DH.30 | Pararobertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
8.DH.30 | Robertsite | Ca2Mn3+3(PO4)3O2 · 3H2O |
8.DH.30 | Sailaufite | (Ca,Na,â»)2Mn3+3(AsO4)2(CO3)O2 · 3H2O |
8.DH.35 | Mantienneite | KMg2Al2Ti(PO4)4(OH)3 · 15H2O |
8.DH.35 | Paulkerrite | K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2O |
8.DH.35 | Benyacarite | (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2O |
8.DH.40 | Xanthoxenite | Ca4Fe3+2(PO4)4(OH)2 · 3H2O |
8.DH.45 | Mahnertite | NaCu3(AsO4)2Cl · 5H2O |
8.DH.50 | Andyrobertsite | KCdCu5(AsO4)4(H2AsO4) · 2H2O |
8.DH.50 | Calcioandyrobertsite | KCaCu5(AsO4)4(H2AsO4) · 2H2O |
8.DH.55 | Englishite | K3Na2Ca10Al15(PO4)21(OH)7 · 26H2O |
8.DH.60 | Bouazzerite | Bi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2O |
8.DH.65 | Galliskiite | Ca4Al2(PO4)2F8 · 5H2O |
8.DH.70 | Joteite | Ca2CuAl(AsO4)[AsO3(OH)]2(OH)2 · 5H2O |
8.DH.75 | Kampelite | Ba6Mg3Sc8(PO4)12(OH)6 · 7H2O |
8.DH.80 | Kapundaite | NaCaFe4(PO4)4(OH)3 · 5H2O |
8.DH.85 | Vaniniite | Ca2Mn2+3Mn3+2O2(AsO4)4 · 2H2O |
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 Jahnsite-(MnMnZn)
mindat.org URL:
https://www.mindat.org/min-52903.html
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References for Jahnsite-(MnMnZn)
Localities for Jahnsite-(MnMnZn)
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - 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.
Portugal (TL) | |
| Mineralogical Magazine: 82: 445-451. +2 other references |
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Herdade dos PendĂ”es Mine, SĂŁo LuĂs, Odemira, Beja, Portugal