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UM1996-27-S:AgBiPbSb

Valid as an unnamed mineral
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Formula:
~(Pb,Ag)3(Sb,Bi)5S8
Forms homogeneous cores (up to 50 microns across), with freibergite rims. With galena, aramayoite, and freibergite within quartz-baryte-siderite gangue, within in epithermal veins.

Electron microprobe data (wt.%, 15 analyses listed):

Ag 10.27–10.88
Pb 24.98–26.20
Sb 21.00–22.32
Bi 24.33–25.10
S 16.98–17.77

total 99.06–100.98 wt%

The above corresponds to Ag0.66Pb0.88Bi0.81Sb1.33S4.


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Unique IdentifiersHide

Mindat ID:
54066
Long-form identifier:
mindat:1:1:54066:5

Similar NamesHide

UM1972-09-S:AgBiPbSb~Ag2Pb8(Bi,Sb)10S24
UM1986-35-S:AsBiPbSb(Pb,Ag)8BiAs11Sb11S41
UM2011-09-S:AgBiPbSeValid as an unnamed mineralAg2(Cu,Zn,Fe)0.4Pb6Bi8S19

IMA Classification of UM1996-27-S:AgBiPbSbHide

IMA status notes:
Unnamed (probably valid)

Optical Data of UM1996-27-S:AgBiPbSbHide

Colour in reflected light:
pale green
Internal Reflections:
no
Pleochroism:
Non-pleochroic
Comments:
reflectance & hardness similar to those of galena

Chemistry of UM1996-27-S:AgBiPbSbHide

Mindat Formula:
~(Pb,Ag)3(Sb,Bi)5S8
Element Weights:
Element% weight
Pb41.805 %
Sb40.944 %
S17.252 %

Calculated from ideal end-member formula.
Pb
Sb
S
Elements listed:
Ag, Bi, Pb, 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 UM1996-27-S:AgBiPbSbHide

References for UM1996-27-S:AgBiPbSbHide

Localities for UM1996-27-S:AgBiPbSbHide

Showing 1 localities.

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.
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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.
Spain
 
  • Castile-La Mancha
    • Guadalajara
      • Congostrina
Martínez-Frías (1996) +1 other reference
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