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Palladosilicide

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About PalladosilicideHide

Formula:
Pd2Si
Colour:
Bright creamy white
Specific Gravity:
9.562 (Calculated)
Crystal System:
Hexagonal
Name:
For the chemical composition.
The Si analogue of palladogermanide.


Classification of PalladosilicideHide

Approved
Approval Year:
2013

Physical Properties of PalladosilicideHide

Colour:
Bright creamy white
Comment:
Bright creamy white against chromite
Density:
9.562 g/cm3 (Calculated)
Comment:
Calculated density varies from 9.562 to 9.753 g cm3.

Optical Data of PalladosilicideHide

Type:
Anisotropic
Anisotropism:
Weak rotation tints in shades of blue and olive green
Bireflectance:
Weakly bireflectant
Colour in reflected light:
bright creamy white against chromite
Pleochroism:
Non-pleochroic
Comments:
Displays no discernible pleochroism

Chemical Properties of PalladosilicideHide

Formula:
Pd2Si

Crystallography of PalladosilicideHide

Crystal System:
Hexagonal
Class (H-M):
6 m2 - Ditrigonal Dipyramidal
Space Group:
P62m
Setting:
P62m
Cell Parameters:
a = 6.496(5) Å, c = 3.433(4) Å
Ratio:
a:c = 1 : 0.528
Unit Cell V:
125.5 ų
Z:
3
Twinning:
Displays no discernible or twinning
Comment:
Based on synthetic Pd2Si

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.35(vs)
2.16(s)
2.12(s)
1.87(m)
1.71(m)
1.41(m)
1.33(m)
1.21(m)
Comments:
From Type Description.

Type Occurrence of PalladosilicideHide

General Appearance of Type Material:
Grains from 0.7 to 39.1 mm in diameter
Place of Conservation of Type Material:
Type material has been deposited in the collections of the Canadian Museum of Nature, Gatineau, Quebec, Canada, catalogue number CMNMC 86891
Geological Setting of Type Material:
In chromite-rich samples from the Kapalagulu intrusion, Tanzania and in UG-2 chromitite, Bushveld complex, South Africa
Associated Minerals at Type Locality:

Synonyms of PalladosilicideHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Taimyrite1 photo of Palladosilicide associated with Taimyrite on mindat.org.

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.

References for PalladosilicideHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cabri, L.J., McDonald, A.M., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Wilhelmij, H.R., Zhe, W. and Rudashevsky, V.N. (2015) IMA 2014-080. CNMNC Newsletter No. 23, February 2015, page 56; Mineralogical Magazine, 79, 51-58
Cabri, L.J., McDonald, A.M., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Wilhelmij, H.R., Zhe, W., Rudashevsky, V.N. (2015) Palladosilicide, Pd2Si, a new mineral from the Kapalagulu Intrusion, Western Tanzania and the Bushveld Complex, South Africa, Mineralogical Magazine, 79 , 295–307

Internet Links for PalladosilicideHide

Localities for PalladosilicideHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
South Africa
 
  • North West Province
    • Bojanala Platinum District
      • Western Bushveld Complex
Cabri, L.J., McDonald, A.M., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Wilhelmij, H.R., Zhe, W., Rudashevsky, V.N. (2015) Palladosilicide, Pd2Si, a new mineral from the Kapalagulu Intrusion, Western Tanzania and the Bushveld Complex, South Africa, Mineralogical Magazine, 79 , 295–307
Tanzania (TL)
 
  • Kigoma Region
    • Lake Tanganyika
Cabri, L.J., McDonald, A.M., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Wilhelmij, H.R., Zhe, W. and Rudashevsky, V.N. (2015) IMA 2014-080. CNMNC Newsletter No. 23, February 2015, page 56; Mineralogical Magazine, 79, 51-58
Mineral and/or Locality  
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