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UM1993-08-S:AgAuSb

Valid as an unnamed mineral
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Formula:
Ag3Au3Sb10S10
May stand for the Ag analogue of criddleite.

Anhedral grains, few to 200 microns in diameter, associated with aurostibite, arsenopyrite, and gudmundite. May be lamellar.


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Unique IdentifiersHide

Mindat ID:
53468
Long-form identifier:
mindat:1:1:53468:2

Similar NamesHide

UM1987-15-Se:AgSSbAgSb(Se,S)2
UM1993-10-S:AgSbAg4Sb2S5
UM1995-38-Se:CuSbA synonym of PříbramiteCuSbSe2
UM2000-45-S:AgAsSbAg2SbAsS4
UM2002-13-S:AgAuSe(Ag,Au)5(S,Se)2 or Ag3Au2(S,Se)2

IMA Classification of UM1993-08-S:AgAuSbHide

IMA status notes:
Unnamed (probably valid)

Optical Data of UM1993-08-S:AgAuSbHide

Anisotropism:
no anisotropy colours
Reflectivity:
WavelengthR1 (%)R2 (%)
470nm37.0% 45.1%
546nm34.7% 42.3%
589nm34.2% 41.5%
650nm33.0% 40.4%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 45.1%.
R1 shown in black, R2 shown in red
Colour in reflected light:
grey
Comments:
reflectivity data reported for measurements in air; no reflection pleochroism

Chemistry of UM1993-08-S:AgAuSbHide

Mindat Formula:
Ag3Au3Sb10S10
Element Weights:
Element% weight
Sb49.642 %
Ag13.194 %
S13.073 %

Calculated from ideal end-member formula.
Elements listed:
Ag, Au, S, 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 UM1993-08-S:AgAuSbHide

References for UM1993-08-S:AgAuSbHide

Localities for UM1993-08-S:AgAuSbHide

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.
Finland
 
  • South Ostrobothnia
    • Seinäjoki
Appelqvist (1993)
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