Edenharterite
A valid IMA mineral species
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About Edenharterite
Formula:
PbTlAs3S6
Colour:
Brownish-black
Hardness:
2½ - 3
Specific Gravity:
5.09 (Calculated)
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.
Type Locality:
This page provides mineralogical data about Edenharterite.
Unique Identifiers
Mindat ID:
1350
Long-form identifier:
mindat:1:1:1350:1
GUID
(UUID V4):
(UUID V4):
ab3fc26f-e65b-4df7-bd4a-08be474d0788
IMA Classification of Edenharterite
Approved
IMA Formula:
TlPbAs3S6
First published:
1992
Classification of Edenharterite
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
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Eht | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Edenharterite
Transparency:
Translucent, Opaque
Colour:
Brownish-black
Streak:
Red
Hardness:
2½ - 3 on Mohs scale
Hardness:
VHN25=95 - 101 kg/mm2 - Vickers
Cleavage:
Distinct/Good
One, parallel to {001}
One, parallel to {001}
Fracture:
Irregular/Uneven
Density:
5.09 g/cm3 (Calculated)
Optical Data of Edenharterite
Type:
Biaxial
Anisotropism:
Very weak
Reflectivity:
Wavelength | R1 | R2 |
---|---|---|
480nm | 28.5% | 30.5% |
546nm | 28.5% | 31.5% |
589nm | 27.0% | 28.5% |
656nm | 27.0% | 29.0% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 31.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Grayish white with bluish tint
Internal Reflections:
Bright red
Chemistry of Edenharterite
Mindat Formula:
PbTlAs3S6
Elements listed:
Common Impurities:
Sn
Crystallography of Edenharterite
Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Fdd2
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)
Z:
16
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0010861 | Edenharterite | Balic-Zunic T, Engel P (1983) Crystal structure of synthetic PbTlAs3S6 Zeitschrift fur Kristallographie 165 261-269 | 1983 | synthetic | 0 | 293 | |
0015410 | Edenharterite | Berlepsch P (1996) Crystal structure and crystal chemistry of the homeotypes edenharterite (TlPbAs3S6) and jentschite (TlPbAs2SbS6) from Lengenbach, Binntal (Switzerland) Schweizerische Mineralogische und Petrographische Mitteilungen 76 147-157 | 1996 | Lengenbach quarry, Binntal, Valais, Switzerland | 0 | 293 |
CIF Raw Data - click here to close
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) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Edenharterite
General Appearance of Type Material:
Crystals are lathlike.
Place of Conservation of Type Material:
Natural History Museum, Basel, Switzerland, L 18,393.
Geological Setting of Type Material:
Hydrothermal deposit in dolostone.
Associated Minerals at Type Locality:
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:
6 photos of Edenharterite associated with Realgar | As4S4 |
5 photos of Edenharterite associated with Pyrite | FeS2 |
3 photos of Edenharterite associated with Dolomite | CaMg(CO3)2 |
3 photos of Edenharterite associated with Wallisite | (Cu,Ag)TlPbAs2S5 |
3 photos of Edenharterite associated with Sartorite | PbAs2S4 |
3 photos of Edenharterite associated with Pararealgar | As4S4 |
2 photos of Edenharterite associated with Orpiment | As2S3 |
1 photo of Edenharterite associated with Calcite | CaCO3 |
Related Minerals - Strunz-mindat Grouping
2.HD. | Boscardinite | TlPb4(Sb7As2)S18 |
2.HD. | Enneasartorite | Tl6Pb32As70S140 |
2.HD. | Gungerite | TlAs5Sb4S13 |
2.HD. | Shimenite | Tl5Sb21-yAsyS34 |
2.HD. | Dewitite | AgzTl10-x-zPb2xSb42-x-yAsyS68 |
2.HD. | Vallouiseite | Ag3Tl21.5PbSb63As41.5S170 |
2.HD. | Buynite | TlPb14As17S40 |
2.HD. | Giuşcăite | Ag2Tl4Pb4As20Sb2S40 |
2.HD.05e | Chabournéite | AgzTl8-x-zPb4+2xSb40-x-yAsyS68 with 0.00 < x < 0.40(9), 16.15(3)< y < 19.11(10), 0.04(4) < z < 0.11(6) |
2.HD.05 | Lorándite | TlAsS2 |
2.HD.05 | Weissbergite | TlSbS2 |
2.HD.05e | Dalnegroite | (Tl4Pb2)(As12Sb8)S34 |
2.HD.15 | Christite | TlHgAsS3 |
2.HD.15 | Richardsollyite | TlPbAsS3 |
2.HD.20 | Jankovićite | Tl5Sb9(As,Sb)4S22 |
2.HD.25 | Rebulite | Tl5Sb5As8S22 |
2.HD.30 | Imhofite | Tl5.8As15.4S26 |
2.HD.40 | Jentschite | TlPbAs2SbS6 |
2.HD.45 | Hutchinsonite | TlPbAs5S9 |
2.HD.45 | Protochabournéite | Tl4-xPb2+2xSb20-x-yAsyS34 with 0.02(2) < x < 0.34(2), 5.71(9) < y < 6.69(9) |
2.HD.50 | Bernardite | TlAs5S8 |
2.HD.55 | Sicherite | TlAg2(As,Sb)3S6 |
2.HD.55 | Geuerite | Ag2Tl4Pb4As22S40 |
2.HD.60 | Gabrielite | Tl6Ag3Cu6(As,Sb)9S21 |
2.HD.65 | Tsygankoite | Mn8Tl8Hg2(Sb21Pb2Tl)S48 |
2.HD.70 | Drechslerite | Tl4(Sb4-xAsx)S8 (1 < x < 2) |
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.
Internet Links for Edenharterite
mindat.org URL:
https://www.mindat.org/min-1350.html
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References for Edenharterite
Localities for Edenharterite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Switzerland (TL) | |
| Graeser et al. (1992) +1 other reference |
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Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland