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UM1984-34-Sb:AsCoNi

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Formula:
(Co,Ni)(Sb,As)2
The (probable) Co analogue of nisbite and seinäjokite (basing on the optical properties, composition, and restricted mode of occurrence).

Found as elongated 5 microns long grains along the bismuth-chalcopyrite contact and also in bismuth itself; coexists with breithauptite and bornite.


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Unique IdentifiersHide

Mindat ID:
47772
Long-form identifier:
mindat:1:1:47772:1

Similar NamesHide

UM1966-03-S:AsCoNi(Co,Ni)4(S,As)11

Optical Data of UM1984-34-Sb:AsCoNiHide

Anisotropism:
distinct (less anisotropic than breithauptite)
Colour in reflected light:
bluish gray (oil immersion)
Comments:
reflectance (R) between 450 and 650 nm rather constant: 55-60%; reflectance shape is flat as for nisbite

Chemistry of UM1984-34-Sb:AsCoNiHide

Mindat Formula:
(Co,Ni)(Sb,As)2
Element Weights:
Element% weight
Sb80.515 %
Co19.485 %

Calculated from ideal end-member formula.
Elements listed:
As, Co, Ni, Sb - search for minerals with similar chemistry

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 UM1984-34-Sb:AsCoNiHide

References for UM1984-34-Sb:AsCoNiHide

Localities for UM1984-34-Sb:AsCoNiHide

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 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.
Sweden
 
  • Värmland County
    • Filipstad
      • Långban Ore District
Zakrzewski (1984) +2 other references
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