Rudolfhermannite
A valid IMA mineral species - pending publication
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Formula:
Fe3+2(Te4+O3)3(H2O)
Crystal System:
Hexagonal
Closely related to the minerals of the zemannite group. Chemically similar to emmonsite, sonoraite, telluromandarinoite, blakeite, and to some extent to andymcdonaldite, cuzticite, mackayite, ozernovskite, and walfordite.
Unique Identifiers
Mindat ID:
55950
Long-form identifier:
mindat:1:1:55950:2
IMA Classification of Rudolfhermannite
Classification of Rudolfhermannite
4.JM.
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
M : Tellurites without additional anions, with H2O
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
M : Tellurites without additional anions, with H2O
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 |
|---|---|---|
| Rhr | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Rudolfhermannite
Mindat Formula:
Fe3+2(Te4+O3)3(H2O)
Element Weights:
Elements listed:
Crystallography of Rudolfhermannite
Crystal System:
Hexagonal
Class (H-M):
6/m - Dipyramidal
Space Group:
P63/m
Cell Parameters:
a = 9.2490(5) Å, c = 7.5688(6) Å
Ratio:
a:c = 1 : 0.818
Unit Cell V:
560.72 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.01 Å | (100) |
| 4.005 Å | (53) |
| 3.775 Å | (15) |
| 3.027 Å | (13) |
| 2.925 Å | (17) |
| 2.809 Å | (27) |
| 2.747 Å | (45) |
| 1.707 Å | (17) |
Locality:
Comments:
From Type Description.
Type Occurrence of Rudolfhermannite
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5761/1
Synonyms of Rudolfhermannite
Other Language Names for Rudolfhermannite
Dutch:Rudolfhermanniet
German:Rudolfhermannit
Related Minerals - Strunz-mindat Grouping
| 4.JM. | Wortupaite | MgNi2+2(Te4+O3)3 · 3H2O |
| 4.JM.05 | Zemannite | Mg0.5ZnFe3+(Te4+O3)3 · 4.5H2O |
| 4.JM.05 | Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| 4.JM.05 | Kinichilite | Mg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2O |
| 4.JM.05 | Ilirneyite | Mg0.5ZnMn3+(Te4+O3)3 · 4.5H2O |
| 4.JM.10 | Emmonsite | Fe3+2(TeO3)3 · 2H2O |
| 4.JM.10 | Blakeite | Fe3+2[TeO3]3 (?) |
| 4.JM.15 | Graemite | Cu[TeO3] · H2O |
| 4.JM.20 | Telluromandarinoite | Fe3+2Te3O9 · 6H2O |
| 4.JM.20 | Teineite | Cu2+(Te4+O3) · 2H2O |
| 4.JM.25 | Millsite | Cu2+(Te4+O3) · 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 Rudolfhermannite
mindat.org URL:
https://www.mindat.org/min-55950.html
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References for Rudolfhermannite
Localities for Rudolfhermannite
Showing 1 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.
Russia (TL) | |
| Miyawaki et al. (2022) +1 other reference |
