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UM1981-02-Bi:AsPbPd

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Formula:
~(Pd,Pb,Pt)3(Bi,As,Te)
Colour:
in thin section (likely reflected light), off-white with a yellow tinge
First Recorded Locality:
Compare, e.g., polarite and urvantsevite. Listed in CIM (Sp. Vol. 23) as un1979-3.

Similar or identical to UM2004-05-Bi:Pd.

As single grain, 40 x 90 microns in size, with palladobismutharsenide, sperrylite and possibly siderite in a heavy mineral concentrate from the Stillwater Complex, Montana.


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Unique IdentifiersHide

Mindat ID:
47556
Long-form identifier:
mindat:1:1:47556:5

Similar NamesHide

Physical Properties of UM1981-02-Bi:AsPbPdHide

Colour:
In thin section (likely reflected light), off-white with a yellow tinge
Comment:
Paler than palladobismutharsenide
Comment:
Polishing hardness lower than that of palladobismutharsenide.

Optical Data of UM1981-02-Bi:AsPbPdHide

Anisotropism:
weak, dark grayish-brown (air), grayish (oil)
Bireflectance:
not observed

Chemistry of UM1981-02-Bi:AsPbPdHide

Mindat Formula:
~(Pd,Pb,Pt)3(Bi,As,Te)
Element Weights:
Element% weight
Pd60.438 %
Bi39.562 %

Calculated from ideal end-member formula.

First Recorded Occurrence of UM1981-02-Bi:AsPbPdHide

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 UM1981-02-Bi:AsPbPdHide

References for UM1981-02-Bi:AsPbPdHide

Localities for UM1981-02-Bi:AsPbPdHide

ⓘ - 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.
USA (FRL)
 
  • Montana
Cabri (1981) +1 other reference
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