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Jentschite

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About JentschiteHide

Formula:
TlPbAs2SbS6
Colour:
Black
Hardness:
2 - 2½
Crystal System:
Monoclinic
Name:
The name honours Franz Jentsch (1868–1908), an early prolific collector of Lengenbach minerals.
This page provides mineralogical data about Jentschite.


Classification of JentschiteHide

Approved
2.HD.40

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
D : With Tl

Physical Properties of JentschiteHide

Colour:
Black
Streak:
Dark red
Hardness:
2 - 2½ on Mohs scale

Chemical Properties of JentschiteHide

Formula:
TlPbAs2SbS6

Crystallography of JentschiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 8.0958(5) Å, b = 23.917(2) Å, c = 5.8876(5) Å
β = 108.063(8)°
Ratio:
a:b:c = 0.338 : 1 : 0.246
Unit Cell V:
1,083.82 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space-group setting P21/n.

Type Occurrence of JentschiteHide

Synonyms of JentschiteHide

Other Language Names for JentschiteHide

German:Jentschit
Simplified Chinese:辉砷银铅矿
Spanish:Jentschita

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Jentschite associated with RealgarAs4S4
1 photo of Jentschite associated with NowackiiteCu6Zn3As4S12
1 photo of Jentschite associated with SphaleriteZnS

Related Minerals - Nickel-Strunz GroupingHide

2.HD.05LoránditeTlAsS2Mon. 2/m : P21/b
2.HD.05WeissbergiteTlSbS2Tric. 1 : P1
2.HD.15ChristiteTlHgAsS3Mon. 2/m
2.HD.20JankovićiteTl5Sb9(As,Sb)4S22Tric. 1 : P1
2.HD.25RebuliteTl5Sb5As8S22Mon. 2/m : P21/b
2.HD.30ImhofiteTl5.8As15.4S26Mon. 2/m
2.HD.35EdenharteritePbTlAs3S6Orth.
2.HD.45HutchinsoniteTlPbAs5S9Orth. mmm (2/m 2/m 2/m) : Pbca
2.HD.50BernarditeTlAs5S8Mon. 2/m : P21/b
2.HD.55SicheriteTlAg2(As,Sb)3S6Orth.
2.HD.60GabrieliteTl6Ag3Cu6(As,Sb)9S21Tric. 1 : P1

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 JentschiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 398.
Mineralogical Record: 28: 484-485.
Berlepsch, P. (1996): Crystal structure and crystal chemistry of the homeotypes edenharterite (TIPbAs3S6) and jentschite (TIPbAs2SbS6) from Lengenbach, Binntal (Switzerland). Schweizerische mineralogische und petrographische Mitteilungen 26, 147-157.
Graeser, S. and Edenharter, A. (1997): Jentschite (TlPbAs2SbS6)–a new sulphosalt mineral from Lengenbach, Binntal (Switzerland). Mineralogical Magazine, 61, 131–137.

Internet Links for JentschiteHide

Localities for JentschiteHide

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.
Switzerland (TL)
 
  • Valais
    • Goms
      • Binn
        • Fäld (Imfeld; Im Feld; Feld)
Mineralogical Magazine(1997) 61, 131-137
 
Mineral and/or Locality  
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