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Erniggliite

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Formula:
Tl2SnAs2S6
System:
Trigonal
Hardness:
2 - 3
This page provides mineralogical data about Erniggliite.


Classification of Erniggliite

Approved
2.GA.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S
3.4.18.1

3 : SULFOSALTS
4 : ø = 3

Physical Properties of Erniggliite

Hardness (Mohs):
2 - 3

Chemical Properties of Erniggliite

Formula:
Tl2SnAs2S6
Elements listed in formula:

Crystallography of Erniggliite

Crystal System:
Trigonal
Cell Parameters:
a = 6.68 Å, c = 7.16 Å
Ratio:
a:c = 1 : 1.072
Unit Cell Volume:
V 276.69 ų (Calculated from Unit Cell)

Type Occurrence of Erniggliite

Relationship of Erniggliite to other Species

2.GA.05ProustiteAg3AsS3
2.GA.05PyrargyriteAg3SbS3
2.GA.10PyrostilpniteAg3SbS3
2.GA.10XanthoconiteAg3AsS3
2.GA.15SamsoniteAg4MnSb2S6
2.GA.20SkinneriteCu3SbS3
2.GA.20WitticheniteCu3BiS3
2.GA.25LapieiteCuNiSbS3
2.GA.25MückeiteCuNiBiS3
2.GA.25MalyshevitePdCuBiS3
2.GA.25LisiguangiteCuPtBiS3
2.GA.30AktashiteCu6Hg3As4S12
2.GA.30GruzdeviteCu6Hg3Sb4S12
2.GA.30NowackiiteCu6Zn3As4S12
2.GA.35LaffittiteAgHgAsS3
2.GA.40RouthieriteCuTlHg2As2S6
2.GA.40StalderiteTlCu(Zn,Fe,Hg)2As2S6
2.GA.50BournoniteCuPbSbS3
2.GA.50SeligmanniteCuPbAsS3
2.GA.50SoučekiteCuPbBi(S,Se)3

Other Names for Erniggliite

Name in Other Languages:
German:Erniggliit
Simplified Chinese:硫砷锡铊矿
Spanish:Erniggliita

Other Information

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 Erniggliite

Reference List:
Graeser, St., Schwander, H., Wulf, R. & Edenharter, A. (1992): Erniggliite (Tl2SnAs2S6), a new mineral from Lengenbach, Binntal (Switzerland): description and crystal structure determination based on data from synchrotron radiation. Schweizerische mineralogische und petrographische Mitteilungen: 72, 293-305.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Erniggliite

mindat.org URL:
https://www.mindat.org/min-1403.html
Please feel free to link to this page.

Localities for Erniggliite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • Wallis (Valais)
    • Binn Valley
      • Fäld (Imfeld; Im Feld; Feld)
Schw. MPM 72 (1992), 293; AM 78 (1993), 845
Mineral and/or Locality  
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