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UM1984-27-S:ClPbSb

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Formula:
Pb2SbS3Cl
One of a few Pb-Sb-S-Cl minerals, the other being ardaite, dadsonite, and the unnamed species: 'UM1980-08-S:ClPbSb', 'UM1980-09-S:ClPbSb', and 'UM1980-10-S:ClPbSb'. First chlorosulphosalt mineral reported from the former SSSR.

Forms tiny acicular grains, 1-3 microns in size, but also aggregates, up to 20 microns in size, in galena and sphalerite; also associated with antimony, arsenopyrite, chalcopyrite, freibergite, silver, and tetrahedrite.


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Optical Data of UM1984-27-S:ClPbSbHide

Type:
Anisotropic
Anisotropism:
strong
Reflectivity:
400nmR1=36.3%R2=35.1%
420nmR1=36.2%R2=34.9%
440nmR1=36.1%R2=34.6%
460nmR1=35.9%R2=34.2%
480nmR1=35.5%R2=33.7%
500nmR1=35.1%R2= 33.3%
520nmR1=34.7%R2=32.8%
540nmR1=34.1%R2=32.3%
560nmR1=33.6%R2=31.7%
580nmR1=33.0%R2=31.2%
600nmR1=32.4%R2=30.6%
620nmR1=31.8%R2=30.1%
640nmR1=31.1%R2=29.7%
660nmR1=30.5%R2=29.2%
680nmR1=30.0%R2=28.7%
700nmR1=29.5%R2=28.3%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 36.3%.
R1 shown in black, R2 shown in red
Colour in reflected light:
green-gray tint (most likely under reflected light)
Internal Reflections:
carmine-red

Chemical Properties of UM1984-27-S:ClPbSbHide

Formula:
Pb2SbS3Cl

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.

References for UM1984-27-S:ClPbSbHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gigiadze, G.B., Guniava, V.D., Mozgova, N.N., Tsepin, A.I., Borodaev, Yu.S. (1984): On the first occurrence of chlorosulfosalts in the U.S.S.R. Doklady Akad. Nauk SSSR: 277: 1464-1467 (in Russian); in: Hawthorne, F.C., Fleischer, F., Grew, E.S., Grice, J.D., Jambor, J.L., Puziewicz, J., Roberts, A.C., Vanko, D.A., Zilczer, J.A. (1986): New mineral names. American Mineralogist: 71: 1281
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)

Internet Links for UM1984-27-S:ClPbSbHide

Localities for UM1984-27-S:ClPbSbHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
South Ossetia
 
Gigiadze, G.B., Guniava, V.D., Mozgova, N.N., Tsepin, A.I., Borodaev, Yu.S. (1984): On the first occurrence of chlorosulfosalts in the U.S.S.R. Doklady Akad. Nauk SSSR: 277: 1464-1467 (in Russian); in: Hawthorne, F.C., Fleischer, F., Grew, E.S., Grice, J.D., Jambor, J.L., Puziewicz, J., Roberts, A.C., Vanko, D.A., Zilczer, J.A. (1986): New mineral names. American Mineralogist: 71: 1281
 
Mineral and/or Locality  
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