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Jentschite

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Formula:
TlPbAs
 
2
SbS
 
6
System:MonoclinicColour:Black
Hardness:2 - 2½
Name:The name honours Franz Jentsch (1868–1908), an early prolific collector of Lengenbach minerals.
This page provides mineralogical data about Jentschite.

Classification of Jentschite

IMA status:Approved
Strunz 8th edition ID:2/E.13-43
Nickel-Strunz 10th (pending) edition ID: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
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Type Occurrence of Jentschite

Type Locality:Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland

Physical Properties of Jentschite

Colour:Black
Streak:Dark red
Hardness (Mohs):2 - 2½

Crystallography of Jentschite

Crystal System:Monoclinic

Chemical Properties of Jentschite

Formula:
TlPbAs
 
2
SbS
 
6
Essential elements:As, Pb, S, Sb, Tl
All elements listed in formula:As, Pb, S, Sb, Tl

Relationship of Jentschite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HD.05Lorándite
TlAsS
 
2
2.HD.05Weissbergite
TlSbS
 
2
2.HD.15Christite
TlHgAsS
 
3
2.HD.20Jankovićite
Tl
 
5
Sb
 
9
(As,Sb)
 
4
S
 
22
2.HD.20Jankovicite
2.HD.25Rebulite
Tl
 
5
Sb
 
5
As
 
8
S
 
22
2.HD.30Imhofite
Tl
 
6
CuAs
 
16
S
 
40
2.HD.35Edenharterite
PbTlAs
 
3
S
 
6
2.HD.45Hutchinsonite
(Tl,Pb)
 
2
As
 
5
S
 
9
2.HD.50Bernardite
Tl(As,Sb)
 
5
S
 
8
2.HD.55Sicherite
TlAg
 
2
(As,Sb)
 
3
S
 
6
2.HD.60Gabrielite
Tl
 
6
Ag
 
3
Cu
 
6
(As,Sb)
 
9
S
 
21

Other Names for Jentschite

Synonyms:
IMA1993-025
Other Languages:
German:Jentschit
Simplified Chinese:辉砷银铅矿
Spanish:Jentschita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Jentschite

Reference List:

- +
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.

Mineralogical Magazine (1997): 61: 131-137.

Schweizerische mineralogische und petrographische Mitteilungen: 76: 147-157.

Internet Links for Jentschite

Search Engines:
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  • External Links:
  • Look for Jentschite on Webmineral
  • Look for Jentschite on Athena Mineralogy
  • Look for Jentschite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Jentschite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
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  • Localities for Jentschite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    Min.Mag.(1997) 61, 131-137
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