UM1973-01-As:NiPd
A material that is NOT an approved mineral species
This page is currently not sponsored. Click here to sponsor this page.
Formula:
~(Ni,Pd)7As3
In the original paper there are two compounds given: (Ni,Pd)5+xAs2 and beta-(Ni,Pd)2+xAs2, of similar properties
Crystal System:
Hexagonal
From Talnakh deposit, Russia.
Data for the (Ni,Pd)5+xAs2 phase (all further data concerning material of the second reported chemical analysis): isometric, elongated, lens-like, polygonal crystalline grains, 1-100 microns in diameter; with chalcopyrite, cubanite, polarite, Ag-Au alloys, sperrylite, other PGM, talnakhite, magnetite, galena, and silicate minerals.
Data for the (Ni,Pd)5+xAs2 phase (all further data concerning material of the second reported chemical analysis): isometric, elongated, lens-like, polygonal crystalline grains, 1-100 microns in diameter; with chalcopyrite, cubanite, polarite, Ag-Au alloys, sperrylite, other PGM, talnakhite, magnetite, galena, and silicate minerals.
Unique Identifiers
Mindat ID:
47271
Long-form identifier:
mindat:1:1:47271:7
GUID
(UUID V4):
(UUID V4):
3830206f-87e1-4a4e-9bf7-280a9cea3b2b
Physical Properties of UM1973-01-As:NiPd
Hardness:
VHN100=482 - 597 - Vickers
Optical Data of UM1973-01-As:NiPd
Anisotropism:
weak, brownish-grey
Bireflectance:
weak (air)
Reflectivity:
Wavelength | R |
---|---|
460nm | 48.6% |
550nm | 50.3% |
580nm | 51.3% |
640nm | 53.7% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 53.7%.
Colour in reflected light:
pale lilac grey with brownish or rose (?) tinge
Chemistry of UM1973-01-As:NiPd
Mindat Formula:
~(Ni,Pd)7As3
In the original paper there are two compounds given: (Ni,Pd)5+xAs2 and beta-(Ni,Pd)2+xAs2, of similar properties
In the original paper there are two compounds given: (Ni,Pd)5+xAs2 and beta-(Ni,Pd)2+xAs2, of similar properties
Elements listed:
Crystallography of UM1973-01-As:NiPd
Crystal System:
Hexagonal
Cell Parameters:
a = 9.910 Å, c = 6.601 Å
Ratio:
a:c = 1 : 0.666
Unit Cell V:
561.42 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.19 Å | (100) |
1.989 Å | (100) |
2.65 Å | (80) |
2.29 Å | (60) |
Other Information
Notes:
ocasionally etched by 1:1 HCl
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 UM1973-01-As:NiPd
mindat.org URL:
https://www.mindat.org/min-47271.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for UM1973-01-As:NiPd
Reference List:
Localities for UM1973-01-As:NiPd
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).
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.
All localities listed without proper references should be considered as questionable.
Russia | |
| Razin et al. (1973) +1 other reference |