Erniggliite
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Formula:
Tl2SnAs2S6
Hardness:
2 - 3
Crystal System:
Trigonal
This page provides mineralogical data about Erniggliite.
Classification of Erniggliite
Approved
2/E.12-45
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
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
3 : SULFOSALTS
4 : ø = 3
Physical Properties of Erniggliite
Hardness:
2 - 3 on Mohs scale
Chemical Properties of Erniggliite
Formula:
Tl2SnAs2S6
Elements listed:
Crystallography of Erniggliite
Crystal System:
Trigonal
Cell Parameters:
a = 6.68 Å, c = 7.16 Å
Ratio:
a:c = 1 : 1.072
Unit Cell V:
276.69 ų (Calculated from Unit Cell)
Type Occurrence of Erniggliite
Synonyms of Erniggliite
Other Language Names for Erniggliite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
| 2.GA.05 | Proustite | Ag3AsS3 | Trig. 3m (3 2/m) : R3c |
| 2.GA.05 | Pyrargyrite | Ag3SbS3 | Trig. 3m : R3c |
| 2.GA.10 | Pyrostilpnite | Ag3SbS3 | Mon. |
| 2.GA.10 | Xanthoconite | Ag3AsS3 | Mon. 2/m : B2/b |
| 2.GA.15 | Samsonite | Ag4MnSb2S6 | Mon. 2/m : P21/m |
| 2.GA.20 | Skinnerite | Cu3SbS3 | Mon. 2/m : P21/b |
| 2.GA.20 | Wittichenite | Cu3BiS3 | Orth. 2 2 2 : P21 21 21 |
| 2.GA.25 | Lapieite | NiCuSbS3 | Orth. |
| 2.GA.25 | Mückeite | NiCu(Bi,Sb)S3 | Orth. 2 2 2 : P21 21 21 |
| 2.GA.25 | Malyshevite | PdCuBiS3 | Orth. mmm (2/m 2/m 2/m) : Pmmm |
| 2.GA.25 | Lisiguangite | PtCuBiS3 | Orth. 2 2 2 : P21 21 21 |
| 2.GA.30 | Aktashite | Cu6Hg3As4S12 | Trig. 3 : R3 |
| 2.GA.30 | Gruzdevite | Cu6Hg3Sb4S12 | Trig. |
| 2.GA.30 | Nowackiite | Cu6Zn3As4S12 | Trig. 3 : R3 |
| 2.GA.35 | Laffittite | AgHgAsS3 | Mon. |
| 2.GA.40 | Routhierite | Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6 | Tet. 4 2m : I4 2m |
| 2.GA.40 | Stalderite | Tl(Cu,Ag)(Zn,Fe,Hg)2(As,Sb)2S6 | Tet. |
| 2.GA.50 | Bournonite | PbCuSbS3 | Orth. mm2 : Pmn21 |
| 2.GA.50 | Seligmannite | PbCuAsS3 | Orth. mmm (2/m 2/m 2/m) : Pmmn |
| 2.GA.50 | Součekite | PbCuBi(S,Se)3 | Orth. |
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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
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Localities for Erniggliite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Switzerland (TL) | |
| Schw. MPM 72 (1992), 293; AM 78 (1993), 845 |
Lengenbach Quarry, Fäld, Binn Valley, Wallis, Switzerland