Edenharterite
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About Edenharterite
Formula:
PbTlAs3S6
Colour:
Brownish-black
Hardness:
2½ - 3
Crystal System:
Orthorhombic
Name:
Named in honor of Andreas Edenharter (1933 – ), University of Göttingen, Germany, who first synthesized the material while conducting hydrothermal experiments with Tl-sulphosalts.
This page provides mineralogical data about Edenharterite.
Classification of Edenharterite
Approved
First Published:
1992
2/E.13-42
2.HD.35
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
D : With Tl
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
D : With Tl
3.7.10.2
3 : SULFOSALTS
7 : ø = 2
3 : SULFOSALTS
7 : ø = 2
Physical Properties of Edenharterite
Transparency:
Translucent, Opaque
Colour:
Brownish-black
Streak:
Red
Hardness:
2½ - 3 on Mohs scale
Fracture:
Irregular/Uneven
Chemical Properties of Edenharterite
Formula:
PbTlAs3S6
IMA Formula:
TlPbAs3S6
Elements listed:
Common Impurities:
Sn
Crystallography of Edenharterite
Crystal System:
Orthorhombic
Cell Parameters:
a = 15.46 Å, b = 47.5 Å, c = 5.84 Å
Ratio:
a:b:c = 0.325 : 1 : 0.123
Unit Cell V:
4,288.60 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.801 Å | (100) |
| 3.755 Å | (15) |
| 3.389 Å | (23) |
| 2.901 Å | (19) |
| 2.767 Å | (43) |
| 2.732 Å | (41) |
| 2.656 Å | (24) |
Type Occurrence of Edenharterite
Place of Conservation of Type Material:
Natural History Museum, Basel, Switzerland, L 18,393.
Reference:
Graeser, S., Schwander, H. (1992) Edenharterite (TlPbAs3S6): a new mineral from Lengenbach, Binntal (Switzerland). European Journal of Mineralogy: 4: 1265-1270.
Synonyms of Edenharterite
Other Language Names for Edenharterite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
| 2.HD.05 | Lorándite | TlAsS2 | Mon. 2/m : P21/b |
| 2.HD.05 | Weissbergite | TlSbS2 | Tric. 1 : P1 |
| 2.HD.15 | Christite | TlHgAsS3 | Mon. 2/m |
| 2.HD.20 | Jankovićite | Tl5Sb9(As,Sb)4S22 | Tric. 1 : P1 |
| 2.HD.25 | Rebulite | Tl5Sb5As8S22 | Mon. 2/m : P21/b |
| 2.HD.30 | Imhofite | Tl5.8As15.4S26 | Mon. 2/m |
| 2.HD.40 | Jentschite | TlPbAs2SbS6 | Mon. 2/m |
| 2.HD.45 | Hutchinsonite | TlPbAs5S9 | Orth. mmm (2/m 2/m 2/m) : Pbca |
| 2.HD.50 | Bernardite | TlAs5S8 | Mon. 2/m : P21/b |
| 2.HD.55 | Sicherite | TlAg2(As,Sb)3S6 | Orth. |
| 2.HD.60 | Gabrielite | Tl6Ag3Cu6(As,Sb)9S21 | Tric. 1 : P1 |
Related Minerals - Dana Grouping (8th Ed.)
| 3.7.10.1 | Simonite | TlHgAs3S6 | Mon. 2/m |
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 Edenharterite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Balić-Žunić, T., Engel, P. (1983) Crystal structure of synthetic PbTlAs3S6. Zeitschrift für Kristallographie: 165: 261-269.
Graeser, S., Schwander, H. (1992) Edenharterite (TlPbAs3S6): a new mineral from Lengenbach, Binntal (Switzerland). European Journal of Mineralogy: 4: 1265-1270.
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.
Berlepsch, P., Makovicky, E., Balić-Žunić, T. (2000) Contribution to the crystal chemistry of Tl-sulfosalts. VI. Modular-level structure relationship between edenharterite TlPbAs3S6 and jentschite TlPbAs2SbS6. Neues Jahrbuch für Mineralogie, Monatshefte: 315-332.
Roth, P. (2007) Edenharterite. in Minerals first discovered in Switzerland and minerals named after Swiss individuals, Kristallografik Verlag (Achberg Germany): 58-59.
Internet Links for Edenharterite
mindat.org URL:
https://www.mindat.org/min-1350.html
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External Links:
Mineral Dealers:
Localities for Edenharterite
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) | |
| Graeser, St. & Schwander, H. (1992): Edenharterite (TlPbAs3S6): a new mineral from Lengenbach, Binntal (Switzerland). European Journal of Mineralogy 4, 1265-1270.; Praeger, M. (2012): Edenharterit von Lengenbach, Binntal (Schweiz). Lapis, 37 (12), 32. |
Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland