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Palladogermanide
A valid IMA mineral species
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Formula:
Pd2Ge
Colour:
white
Lustre:
Metallic
Specific Gravity:
10.74 (Calculated)
Crystal System:
Hexagonal
Name:
The name is for its chemistry and relationship to palladosilicide.
Related to marathonite. The Ge analogue of palladosilicide.
Stable under 200 °C. Probably a physical and/or chemical alteration phase.
Formed at 500–600 °C, under low fS2 and fO2, form Ge-dominant minerals.
Stable under 200 °C. Probably a physical and/or chemical alteration phase.
Formed at 500–600 °C, under low fS2 and fO2, form Ge-dominant minerals.
Unique Identifiers
Mindat ID:
51405
Long-form identifier:
mindat:1:1:51405:9
IMA Classification of Palladogermanide
Approved
Approval year:
2016
Type description reference:
McDonald, Andrew M., Ames, Doreen E., Kjarsgaard, Ingrid M., Cabri, Louis J., Zhe, William, Ross, Kirk C., Good, David J. (2021) Marathonite, Pd25Ge9, and palladogermanide, Pd2Ge, two new platinum-group minerals from the Marathon deposit, Coldwell Complex, Ontario, Canada: Descriptions, crystal-chemical considerations, and genetic implications. The Canadian Mineralogist, 59 (6) 1865-1886 doi:10.3749/canmin.2100022
Classification of Palladogermanide
1.B0.10
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
0 :
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
0 :
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Pdg | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Pdg | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Pronunciation of Palladogermanide
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Palladogermanide
Metallic
Transparency:
Opaque
Colour:
White
Streak:
Couldn't be measured
Comment:
microhardness couldn't be measured
Density:
10.74 g/cm3 (Calculated)
Chemistry of Palladogermanide
Mindat Formula:
Pd2Ge
Elements listed:
Crystallography of Palladogermanide
Crystal System:
Hexagonal
Class (H-M):
6m2 - Ditrigonal Dipyramidal
Space Group:
P62m
Cell Parameters:
a = 6.712(1) Å, c = 3.408(1) Å
Ratio:
a:c = 1 : 0.508
Unit Cell V:
132.96 ų (Calculated from Unit Cell)
Z:
3
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.392 Å | (100) |
| 2.211 Å | (58) |
| 2.197 Å | (43) |
| 1.937 Å | (34) |
| 1.846 Å | (16) |
| 1.704 Å | (16) |
| 1.280 Å | (13) |
| 1.242 Å | (18) |
Reference:
McDonald, Andrew M., Ames, Doreen E., Kjarsgaard, Ingrid M., Cabri, Louis J., Zhe, William, Ross, Kirk C., Good, David J. (2021) Marathonite, Pd25Ge9, and palladogermanide, Pd2Ge, two new platinum-group minerals from the Marathon deposit, Coldwell Complex, Ontario, Canada: Descriptions, crystal-chemical considerations, and genetic implications. The Canadian Mineralogist, 59 (6) 1865-1886 doi:10.3749/canmin.2100022
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 26 : Hadean detrital minerals | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 37 : Layered igneous intrusions and related PGE minerals |
Type Occurrence of Palladogermanide
General Appearance of Type Material:
angular, anhedral grain, 29 × 35 μm in size
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Canadian Museum of Nature, Gatineau, Quebec, Canada, catalogue number CMNMC 87179
Associated Minerals at Type Locality:
Reference:
McDonald, Andrew M., Ames, Doreen E., Kjarsgaard, Ingrid M., Cabri, Louis J., Zhe, William, Ross, Kirk C., Good, David J. (2021) Marathonite, Pd25Ge9, and palladogermanide, Pd2Ge, two new platinum-group minerals from the Marathon deposit, Coldwell Complex, Ontario, Canada: Descriptions, crystal-chemical considerations, and genetic implications. The Canadian Mineralogist, 59 (6) 1865-1886 doi:10.3749/canmin.2100022
Synonyms of Palladogermanide
Other Language Names for Palladogermanide
German:Palladogermanid
Related Minerals - Strunz-mindat Grouping
| 1.B0. | Wenjiite | Ti10SixPy |
| 1.B0.05 | Jingsuiite | TiB2 |
| 1.B0.05 | Marathonite | Pd25Ge9 |
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 Palladogermanide
mindat.org URL:
https://www.mindat.org/min-51405.html
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Please feel free to link to this page.
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References for Palladogermanide
Reference List:
Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 35. European Journal of Mineralogy, 29 (1) 149-152 doi:10.1127/ejm/2017/0029-2626
McDonald, Andrew M., Ames, Doreen E., Kjarsgaard, Ingrid M., Cabri, Louis J., Zhe, William, Ross, Kirk C., Good, David J. (2021) Marathonite, Pd25Ge9, and palladogermanide, Pd2Ge, two new platinum-group minerals from the Marathon deposit, Coldwell Complex, Ontario, Canada: Descriptions, crystal-chemical considerations, and genetic implications. The Canadian Mineralogist, 59 (6) 1865-1886 doi:10.3749/canmin.2100022
Localities for Palladogermanide
Showing 6 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.
Canada (TL) | |
| Hålenius et al. (2017) +1 other reference |
Russia | |
| Spiridonov et al. (2019) +2 other references |
| Spiridonov et al. (2019, April) | |
| Orsoev (2019) | |
| Barkov et al. (2019) |
| Nekrasov et al. (2005) +1 other reference |
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