UM2000-40-O:PdSb
Valid as an unnamed mineral
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Formula:
Pd5Sb2O4
Colour:
Grey-brown
Co-described with UM2000-27-O:BiPd and UM2000-28-O:BiPdSb.
As euhedral to subhedral grains, 20–70 µm in diameter, with hexagonal outline, within chalcopyrite. Associated are sudburyite, sperrylite, froodite, Au-Ag alloys, and stibiopalladinite (as a relict).
Electron microprobe data, wt.%:
Fe
3.99
Cu 0.75
As 0.29
Bi 0.13
S 0.06
Pd 52.48
Sb 31.03
O 7.6
total 96.42
The ideal composition requires Pd 63.37, Sb 29.01 and O 7.62 wt%.
As euhedral to subhedral grains, 20–70 µm in diameter, with hexagonal outline, within chalcopyrite. Associated are sudburyite, sperrylite, froodite, Au-Ag alloys, and stibiopalladinite (as a relict).
Electron microprobe data, wt.%:
Fe
3.99
Cu 0.75
As 0.29
Bi 0.13
S 0.06
Pd 52.48
Sb 31.03
O 7.6
total 96.42
The ideal composition requires Pd 63.37, Sb 29.01 and O 7.62 wt%.
Unique Identifiers
Mindat ID:
7682
Long-form identifier:
mindat:1:1:7682:7
Similar Names
| UM1985-01-Bi:PdSb | Pd2SbBi |
IMA Classification of UM2000-40-O:PdSb
IMA status notes:
Unnamed (probably valid)
Physical Properties of UM2000-40-O:PdSb
Colour:
Grey-brown
Hardness:
VHN100=124 - Vickers
Cleavage:
None Observed
Optical Data of UM2000-40-O:PdSb
Anisotropism:
weak to moderate
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 470nm | 21.0% | 25.8% |
| 589nm | 26.0% | 33.7% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 33.7%.
R1 shown in black, R2 shown in red
Pleochroism:
Non-pleochroic
Chemistry of UM2000-40-O:PdSb
Mindat Formula:
Pd5Sb2O4
Element Weights:
Elements listed:
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 UM2000-40-O:PdSb
mindat.org URL:
https://www.mindat.org/min-7682.html
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References for UM2000-40-O:PdSb
Reference List:
Localities for UM2000-40-O:PdSb
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 | |
| American Mineralogist: 85: 199. +1 other reference |
