Andymcdonaldite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Andymcdonaldite
Formula:
Fe2TeO6
Colour:
Grayish yellow, olive-green, brownish-black
Lustre:
Earthy
Specific Gravity:
5.91 (Calculated)
Crystal System:
Tetragonal
Name:
Named in honor of Andrew (Andy) M. McDonald, Professor of Mineralogy, Harquail School of Earth Sciences, Laurentian University, Sudbury, Ontario, Canada. He has authored/coauthored descriptions of 33 new minerals as of 2021.
Known synthetic analogue.
Has an inverse trirutile structure.
Has an inverse trirutile structure.
Unique Identifiers
Mindat ID:
53543
Long-form identifier:
mindat:1:1:53543:2
IMA Classification of Andymcdonaldite
Approved
IMA Formula:
Fe3+2Te6+O6
Approval year:
2019
First published:
2020
Type description reference:
Coolbaugh, Mark F., McCormack, John K., Raudsepp, Mati, Czech, Edith, McMillan, Rhy, Kampf, Anthony R. (2020) Andymcdonaldite (Fe3+2Te6+O6), a new ferric iron tellurate with inverse trirutile structure from the Detroit district, Juab County, Utah. The Canadian Mineralogist, 58 (1) 85-97 doi:10.3749/canmin.1900060
Classification of Andymcdonaldite
7.AB.
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
B : With medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
B : With medium-sized cations
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 |
|---|---|---|
| Amc | 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 Andymcdonaldite
Earthy
Transparency:
Translucent
Colour:
Grayish yellow, olive-green, brownish-black
Streak:
Yellow-brown
Hardness Data:
Could not be measured
Fracture:
Conchoidal
Density:
5.91 g/cm3 (Calculated)
Chemistry of Andymcdonaldite
Mindat Formula:
Fe2TeO6
Element Weights:
Elements listed:
Crystallography of Andymcdonaldite
Crystal System:
Tetragonal
Class (H-M):
4/mmm(4/m2/m2/m) - Ditetragonal Dipyramidal
Space Group:
P42/mnm
Setting:
P42/mnm
Cell Parameters:
a = 4.6222(9) Å, c = 9.077(3) Å
Ratio:
a:c = 1 : 1.964
Unit Cell V:
193.94 ų
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.538 Å | (12) |
| 4.119 Å | (35) |
| 3.268 Å | (100) |
| 2.652 Å | (10) |
| 2.531 Å | (58) |
| 2.311 Å | (13) |
| 1.707 Å | (48) |
| 1.634 Å | (14) |
Reference:
Coolbaugh, Mark F., McCormack, John K., Raudsepp, Mati, Czech, Edith, McMillan, Rhy, Kampf, Anthony R. (2020) Andymcdonaldite (Fe3+2Te6+O6), a new ferric iron tellurate with inverse trirutile structure from the Detroit district, Juab County, Utah. The Canadian Mineralogist, 58 (1) 85-97 doi:10.3749/canmin.1900060
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47e : [Vanadates, chromates, manganates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Andymcdonaldite
General Appearance of Type Material:
Thin (0.5 mm) fracture coatings, earthy crusts. Also non-earthy cryptocrystalline crusts.
Place of Conservation of Type Material:
Holotype material is deposited in the Smithsonian National Museum of Natural History in Washington D.C. (catalogue NMNH 177134). Parts of the holotype are also stored at the Natural History Museum of Los Angeles County, Los Angeles, California, USA (no. 67434), at Museums Victoria, Victoria, Australia (no. M54885), and at the W.M. Keck Earth Science and Mineral Engineering Museum at the University of Nevada, Reno, USA (no. 2019.003.001). A cotype specimen is kept at the Natural History Museum, London, England (no. BM 2019,10).
Geological Setting of Type Material:
In Au-, Te-, and Bi-rich jasperoid and as partial matrix-fillings of brecciated jasperoid.
Associated Minerals at Type Locality:
Reference:
Coolbaugh, Mark F., McCormack, John K., Raudsepp, Mati, Czech, Edith, McMillan, Rhy, Kampf, Anthony R. (2020) Andymcdonaldite (Fe3+2Te6+O6), a new ferric iron tellurate with inverse trirutile structure from the Detroit district, Juab County, Utah. The Canadian Mineralogist, 58 (1) 85-97 doi:10.3749/canmin.1900060
Synonyms of Andymcdonaldite
Other Language Names for Andymcdonaldite
Common Associates
Associations Based on Photo Data:
| 2 photos of Andymcdonaldite associated with Quartz | SiO2 |
| 2 photos of Andymcdonaldite associated with Xocolatlite | Ca2Mn4+2(Te6+O6)2 · H2O |
| 2 photos of Andymcdonaldite associated with Carlfriesite | CaTe4+2Te6+O8 |
| 1 photo of Andymcdonaldite associated with Rodalquilarite | Fe2(TeO2OH)3(TeO3)Cl |
| 1 photo of Andymcdonaldite associated with Native Gold | Au |
| 1 photo of Andymcdonaldite associated with Jarosite | KFe3+3(SO4)2(OH)6 |
| 1 photo of Andymcdonaldite associated with Kaolinite | Al2(Si2O5)(OH)4 |
Related Minerals - Strunz-mindat Grouping
| 7.AB. | Dravertite | CuMg(SO4)2 |
| 7.AB. | Dagenaisite | Zn3Te6+O6 |
| 7.AB.05 | Mikasaite | Fe2(SO4)3 |
| 7.AB.05 | Millosevichite | Al2(SO4)3 |
| 7.AB.05 | Koryakite | NaKMg2Al2(SO4)6 |
| 7.AB.10 | Zinkosite | ZnSO4 |
| 7.AB.10 | Chalcocyanite | CuSO4 |
| 7.AB.15 | Hermannjahnite | CuZn(SO4)2 |
| 7.AB.25 | Ottoite | Pb2TeO5 |
| 7.AB.55 | Mcalpineite | Cu3(Te6+O6) |
Fluorescence of Andymcdonaldite
Not fluorescent in short- and long-wave ultraviolet light
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 Andymcdonaldite
mindat.org URL:
https://www.mindat.org/min-53543.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Andymcdonaldite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Mills, Stuart J. (2019) New minerals and nomenclature modifications approved in 2019. CNMNC Newsletter 49. Mineralogical Magazine, 83 (3) 479-483 doi:10.1180/mgm.2019.35
Coolbaugh, Mark F., McCormack, John K., Raudsepp, Mati, Czech, Edith, McMillan, Rhy, Kampf, Anthony R. (2020) Andymcdonaldite (Fe3+2Te6+O6), a new ferric iron tellurate with inverse trirutile structure from the Detroit district, Juab County, Utah. The Canadian Mineralogist, 58 (1) 85-97 doi:10.3749/canmin.1900060
Localities for Andymcdonaldite
Showing 5 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.
Spain | |
| Sintes et al. (2025) |
| Sainz de Baranda Graf et al. (2023) | |
| Sainz de Baranda Graf et al. (2023) | |
USA (TL) | |
| Coolbaugh et al. (2020) |
| Coolbaugh et al. (2020) |
Quick NavTopAbout AndymcdonalditeUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatFluorescence Other InformationInternet Links References Localities Locality List
Wildcat Project, Detroit Mining District, Juab County, Utah, USA