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UM1999-20-S:AgAsPbSbTl

Valid as an unnamed mineral
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Formula:
(Tl,Ag)2Pb6(As,Sb)16S31
Chemically somewhat similar to écrinsite. Forms anhedral grains, in orpiment and hutchinsonite, in altered tuff breccia.

Electron microprobe data:

Tl 6.51
Ag 2.10
Pb 31.34
As 22.36
Sb 12.86
S 25.11

total 100.29

This corresponds to (Tl1.26Ag0.77)Σ2.03Pb5.99(As11.82Sb4.18)Σ16.00S30.99.


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Unique IdentifiersHide

Mindat ID:
46657
Long-form identifier:
mindat:1:1:46657:6

IMA Classification of UM1999-20-S:AgAsPbSbTlHide

IMA status notes:
Unnamed (probably valid)

Optical Data of UM1999-20-S:AgAsPbSbTlHide

Colour in reflected light:
creamy yellow
Pleochroism:
Visible
Comments:
pleochroic
Comments:
"lighter colour than hutchinsonite"

Chemistry of UM1999-20-S:AgAsPbSbTlHide

Mindat Formula:
(Tl,Ag)2Pb6(As,Sb)16S31
Element Weights:
Element% weight
Pb32.335 %
As31.179 %
S25.854 %
Tl10.632 %

Calculated from ideal end-member formula.
Elements listed:
Ag, As, Pb, S, Sb, Tl - 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 UM1999-20-S:AgAsPbSbTlHide

References for UM1999-20-S:AgAsPbSbTlHide

Localities for UM1999-20-S:AgAsPbSbTlHide

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.
Japan
 
  • Hokkaidō Prefecture
    • Shiribeshi Subprefecture
      • Abuta District
        • Takarada
Shimizu et al. (1999)
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