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.

Type Locality:

ⓘ Marathon deposit, Coldwell complex, Thunder Bay District, Ontario, Canada

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 f_S2 and f_O2, form Ge-dominant minerals.

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Unique IdentifiersHide

Mindat ID:

51405

Long-form identifier:

mindat:1:1:51405:9

GUID
(UUID V4):

5c42b1ca-4201-4e5c-98f8-51484659e9a3

IMA Classification of PalladogermanideHide

IMA status:

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 PalladogermanideHide

Strunz-mindat (2023):

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 :

Mineral SymbolsHide

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.

Symbol	Source	Reference
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 PalladogermanideHide

Pronunciation:

Play	Recorded by	Country
	Jolyon Ralph	United Kingdom

Physical Properties of PalladogermanideHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

white

Streak:

couldn't be measured

Comment:

microhardness couldn't be measured

Density:

10.74 g/cm³ (Calculated)

Chemistry of PalladogermanideHide

Mindat Formula:

Pd₂Ge

Elements listed:

Ge, Pd - search for minerals with similar chemistry

Crystallography of PalladogermanideHide

Crystal System:

Hexagonal

Class (H-M):

6 m2 - Ditrigonal Dipyramidal

Space Group:

P6₂m

X-Ray Powder DiffractionHide

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)

Comments:

From Type Description.

Geological EnvironmentHide

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 PalladogermanideHide

Type Locality:

ⓘ Marathon deposit, Coldwell complex, Thunder Bay District, Ontario, Canada

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:

Torryweiserite	Rhodian Pentlandite	Oberthürite	Millerite	Mertieite
Marathonite	Magnetite	Kotulskite	Ferhodsite	Cuprorhodsite
Clinoamphibole	Chlorite Group	Chalcopyrite	Bornite

Reference:

McDonald, A.M., Ames, D.E., Kjarsgaard, I.M., Cabri, L.J., Zhe, W., Ross, K.C., Good, D.J. (2021): Marathonite, Pd₂₅Ge₉, and palladogermanide, Pd₂Ge, two new platinum-group minerals from the Marathon Deposit, Coldwell, Ontario, Canada: Descriptions, crystal chemical and genetic implications. Canadian Mineralogist: 59, 1865-1886.

Synonyms of PalladogermanideHide

IMA2016-086

UM2005-05-Ge:Pd

Related Minerals - Strunz-mindat Grouping Hide

1.B0.	Wenjiite	Ti₁₀Si_xP_y	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
1.B0.05	Marathonite	Pd₂₅Ge₉	Trig. 3 : P3
1.B0.05	Jingsuiite	TiB₂	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm

Other InformationHide

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 PalladogermanideHide

mindat.org URL:

https://www.mindat.org/min-51405.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for PalladogermanideHide

Reference List:

forum.amiminerals.it (n.d.) http://forum.amiminerals.it/viewtopic.php?f=5&t=17168&sid=643d95707b0d84c3bb3a96cebd70a0d1

McDonald, A.M., Zhe, W., Ames, D.E., Ross, K.C., Kjarsgaard, I.M. and Good, D.J. (2017) Palladogermanide, IMA 2016-086. CNMNC Newsletter No. 35, February 2017, page 210. Mineralogical Magazine: 81: 209–213.

Spiridonov, E.M., Orsoev, D.A., Ariskin, A.A., Kislov, E.V., Korotaeva, N.N., Nikolaev, G.S., Yapaskurt, V.O. (2019) Palladogermanide PdGe2 from Sulfidized Anorthosite of the Yoko-Dovyren Intrusion: First Finding in Russia. Doklady Earth Sciences: 485: 458–460.

Spiridonov, E.M., Orsoev, D.A., Ariskin, A.A., Kislov, E.V., Korotaeva, N.N., Nikolaev, G.S., Yapaskurt, V.O. (2019) Germanium-Rich Palladium Minerals Palladogermanide Pd2Ge, Paolovite Pd2(Sn, Ge), and Zvyagintsevite in Sulfide-Bearing Anorthosites of the Yoko-Dovyren Pluton, Baikal Area. Geochemistry International: 57: 600–603.

(2023) Palladogermanide. Handbook of Mineralogy. Mineralogical Society of America

Localities for PalladogermanideHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- 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.


Canada (TL)
Ontario Thunder Bay District Coldwell complex ⓘ Marathon deposit (TL)	McDonald, A.M., Zhe, W., Ames, D.E., Ross, K.C., Kjarsgaard, I.M. and Good, D.J. (2017) Palladogermanide, IMA 2016-086. CNMNC Newsletter No. 35, February 2017, page 210. Mineralogical Magazine: 81: 209–213. 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

Russia
Buryatia Severo-Baykalsky District Dovyren Highlands ⓘ Yoko-Dovyrensky Massif	Spiridonov, E. M., Orsoev, D. A., Ariskin, A. A., Kislov, E. V., Korotaeva, N. N., Nikolaev, G. S., & Yapaskurt, V. O. (2019). Germanium-Rich Palladium Minerals Palladogermanide Pd 2 Ge, Paolovite Pd 2 (Sn, Ge), and Zvyagintsevite in Sulfide-Bearing Anorthosites of the Yoko-Dovyren Pluton, Baikal Area. Geochemistry International, 57(5), 600-603.
ⓘ Baikal Cu-Ni deposit	Spiridonov, E. M., Orsoev, D. A., Ariskin, A. A., Kislov, E. V., Korotaeva, N. N., Nikolaev, G. S., & Yapaskurt, V. O. (2019, April). Palladogermanide PdGe 2 from Sulfidized Anorthosite of the Yoko-Dovyren Intrusion: First Finding in Russia. In Doklady Earth Sciences (Vol. 485, No. 2, pp. 458-460). Pleiades Publishing.
Irkutsk Oblast Uda–Biryusa district ⓘ Ognit complex	Ognitite, NiBiTe, a new mineral species, and cobaltian maucherite from the Ognit ultramafic complex, Eastern Sayans, Russia (electronic preprint)
Khabarovsk Krai Ayan-Maya district ⓘ Konder alkaline-ultrabasic massif ?	in: Piilonen, P.C., Locock, A., Grew, E.S. (2003): New mineral names. Am. Mineral.: 90(11-12): 1947 Nekrasov, I. Ya., Lennikov, A. M., Zalishchak, B. L., Oktyabrsky, R. A., Ivanov, V. V., Sapin, V. I., Taskaev, V. I. (2005) COMPOSITIONAL VARIATIONS IN PLATINUM-GROUP MINERALS AND GOLD, KONDER ALKALINE-ULTRABASIC MASSIF, ALDAN SHIELD, RUSSIA. The Canadian Mineralogist, 43 (2) 637-654 doi:10.2113/gscanmin.43.2.637