UM2000-27-O:BiPd
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Formula:
Pd5Bi40O55 to Pd29Bi31O40
a solid solution
Co-described with UM2000-40-O:PdSb and UM2000-28-O:BiPdSb.
As rims and, rarely, pseudomorphs, on froodite. Associates include chalcopyrite. Presumably of a non-supergene origin. Nevertheless, suggested to form in expense of the froodite.
Oxygen content: 6.55 to 12.47 wt.%. The variable species composition is plotted to give a trend from Bi2O3 to Pd.
As rims and, rarely, pseudomorphs, on froodite. Associates include chalcopyrite. Presumably of a non-supergene origin. Nevertheless, suggested to form in expense of the froodite.
Oxygen content: 6.55 to 12.47 wt.%. The variable species composition is plotted to give a trend from Bi2O3 to Pd.
Unique Identifiers
Mindat ID:
54204
Long-form identifier:
mindat:1:1:54204:3
Similar Names
| UM1961-03-Bi:Pd | Pd5Bi3 | |
| UM1968-01-Bi:Pd | Bi3Pd | |
| UM1970-03-Bi:Pd | Pd2Bi | |
| UM1990-36-S:BiPd | Pd5Bi6(S,Se)6 | |
| UM2004-05-Bi:Pd | Invalid as an unnamed mineral | Pd3Bi |
| UM2005-04-Bi:Pd | Invalid as an unnamed mineral | ~Pd5Bi3 |
IMA Classification of UM2000-27-O:BiPd
Approval history:
status set as invalid due to the suggested solid solution nature
Physical Properties of UM2000-27-O:BiPd
Hardness:
VHN100=156 - Vickers
Optical Data of UM2000-27-O:BiPd
Anisotropism:
weak
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 470nm | 16.8% | 20.9% |
| 589nm | 18.1% | 19.4% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 20.9%.
R1 shown in black, R2 shown in red
Colour in reflected light:
gray
Chemistry of UM2000-27-O:BiPd
Mindat Formula:
Pd5Bi40O55 to Pd29Bi31O40
a solid solution
a solid solution
Element Weights:
Elements listed:
Synonyms of UM2000-27-O:BiPd
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 UM2000-27-O:BiPd
mindat.org URL:
https://www.mindat.org/min-54204.html
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References for UM2000-27-O:BiPd
Reference List:
Localities for UM2000-27-O:BiPd
Showing 1 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.
Russia | |
| Tolstykh et al. (2000) +1 other reference |
