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Philrothite

A valid IMA mineral species
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00007240017272472297982.jpg
Philrothite

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland
00007240017272472297982.jpg
Philrothite

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland
00007240017272472297982.jpg
Philrothite

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland
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About PhilrothiteHide

07366960017272472297729.jpg
Philippe Roth
Formula:
TlAs3S5
Lustre:
Metallic
Hardness:
3 - 3½
Specific Gravity:
4.635 (Calculated)
Crystal System:
Monoclinic
Member of:
Sartorite Group
Name:
Named in honour of Philippe Roth (b. 1963), geophysicist and former head of the 'Forschungsgemeinschaft Lengenbach'. He is a well known expert on the Lengenbach and other Alpine metallic deposits' minerals.
The N = 4 homologue of the sartorite homologous series.

Compare also Unnamed (Tl-Sb-As Sulphide).




Unique IdentifiersHide

Mindat ID:
44003
Long-form identifier:
mindat:1:1:44003:7

IMA Classification of PhilrothiteHide

Classification of PhilrothiteHide

Strunz-mindat (2025):
2.HC.05f

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
PhrIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of PhilrothiteHide

Lustre:
Metallic
Transparency:
Opaque
Streak:
Dark brown streak
Hardness:
3 - 3½ on Mohs scale
Comment:
(VHN25) is 128 kg/mm2 (range: 120–137)
Tenacity:
Brittle
Density:
4.635 g/cm3 (Calculated)

Optical Data of PhilrothiteHide

Anisotropism:
Grey to bluish rotation tints (Under crossed polars)
Reflectivity:
WavelengthR1 (%)R2 (%)
471nm26.5%28.8%
548nm25.4%27.2%
586nm24.6%26.3%
652nm24.0%25.1%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 28.8%.
R1 shown in black, R2 shown in red
Pleochroism:
Weak
Comments:
Weakly pleochroic from dark grey to light grey

Chemistry of PhilrothiteHide

Mindat Formula:
TlAs3S5
Element Weights:
Element% weight
As38.130 %
Tl34.672 %
S27.198 %

Calculated from ideal end-member formula.
Elements listed:
As, S, Tl - search for minerals with similar chemistry

Crystallography of PhilrothiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 8.013(2) Å, b = 24.829(4) Å, c = 11.762(3) Å
β = 132.84(2)°
Ratio:
a:b:c = 0.323 : 1 : 0.474
Unit Cell V:
1715.9 ų
Z:
8

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020025PhilrothiteBindi L, Nestola F, Makovicky E, Guastoni A, De Battisti L (2014) Tl-bearing sulfosalt from the Lengenbach quarry, Binn Valley, Switzerland: Philrothite, TlAs3S5 Mineralogical Magazine 78 1-92014Lengenbach quarry, Binn Valley, Switzerland0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
12.4145 Å(52)
3.6768 Å(100)
3.4535 Å(45)
3.0150 Å(46)
2.8941 Å(52)
2.7685 Å(76)
2.7642 Å(77)
2.3239 Å(52)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of PhilrothiteHide

Type Locality:
ⓘ Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland
General Appearance of Type Material:
Crystals up to 200 μm across on realgar
Place of Conservation of Type Material:
Museum of Mineralogy, Department of Geosciences, University of Padova, Italy (MMP M12605).
Associated Minerals at Type Locality:
RealgarRutileSartoriteSmithite
Reference:
Bindi, L., Nestola, F., Makovicky, E., Guastoni, A., De Battisti, L. (2014) Tl-bearing sulfosalt from the Lengenbach quarry, Binn Valley, Switzerland: Philrothite, TlAs3S5. Mineralogical Magazine, 78 (1) 1-9 doi:10.1180/minmag.2014.078.1.01

Synonyms of PhilrothiteHide

Other Language Names for PhilrothiteHide

Relationship of Philrothite to other SpeciesHide

Member of:
Sartorite Group
Other Members of Sartorite Group:
ArgentobaumhaueriteAg1.5Pb22As33.5S72Tric. 1 : P1
ArgentodufrénoysiteAg3Pb26As35S80Tric. 1 : P1
ArgentoliveingiteAg3+xPb36-2xAs51+xS112Tric. 1 : P1
BarikaiteAg3Pb10(Sb8As11)S40Mon. 2/m : P21/b
BaumhaueritePb12As16S36Tric. 1 : P1
BernarlottiitePb6(As5Sb3)S18Tric. 1 : P1
BoscardiniteTlPb4(Sb7As2)S18Tric. 1 : P1
Carducciite(Ag2Sb2)Pb12(As,Sb)16S40Mon. 2/m : P21/b
DekatriasartoriteTlPb58As97S204Mon. 2/m : P21/b
DufrénoysitePb2As2S5Mon. 2 : P21
ÉcrinsiteAgTl3Pb4As11Sb9S36Tric. 1 : P1
EnneasartoriteTl6Pb32As70S140Mon. 2/m : P21/b
GeueriteAg2Tl4Pb4As22S40Mon. 2/m : P21/b
GiuşcăiteAg2Tl4Pb4As20Sb2S40Mon. m
GuettarditePb8(Sb0.56As0.44)16S32Mon. 2/m : P21/b
HendekasartoriteTl2Pb48As82S172Mon. 2/m : P21/b
HeptasartoriteTl7Pb22As55S108Mon. 2/m : P21/b
HyršlitePb8As10Sb6S32Mon. 2 : P21
IncomsartoriteTl6Pb144As246S516Mon. 2/m
InterliveingiteAgPb18As25S56Mon. 2 : P21
LiveingitePb9As13S28Mon. 2 : P21
ParapierrotiteTlSb5S8Mon. m
PierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
PolloneiteAgPb46As26Sb23S120Mon. 2 : P21
RathiteAg2Pb12-xTlx/2As18+x/2S40Mon. 2/m : P21/b
SartoritePbAs2S4Mon. 2/m : P21/m
Twinnite Pb0.8Tl0.1Sb1.3As0.8S4Mon. 2/m
VeenitePb16Sb9-xAs7+xS40, x ~ 0-0.5Mon. 2 : P21

Related Minerals - Strunz-mindat GroupingHide

2.HC.BernarlottiitePb6(As5Sb3)S18Tric. 1 : P1
2.HC.HuntingdonitePb19Sb16As6S51Cl2Tric. 1 : P1
2.HC.MoiraitePb12Sb8As8S36Tric. 1 : P1
2.HC.05fParapierrotiteTlSb5S8Mon. m
2.HC.05gMarumoitePb32As40S92Mon. 2 : P21
2.HC.05bBaumhauerite II
2.HC.05dRathiteAg2Pb12-xTlx/2As18+x/2S40Mon. 2/m : P21/b
2.HC.05eHeptasartoriteTl7Pb22As55S108Mon. 2/m : P21/b
2.HC.05dDufrénoysitePb2As2S5Mon. 2 : P21
2.HC.05eHendekasartoriteTl2Pb48As82S172Mon. 2/m : P21/b
2.HC.05bArgentobaumhaueriteAg1.5Pb22As33.5S72Tric. 1 : P1
2.HC.05cArgentoliveingiteAg3+xPb36-2xAs51+xS112Tric. 1 : P1
2.HC.05bBaumhaueritePb12As16S36Tric. 1 : P1
2.HC.05dVeenitePb16Sb9-xAs7+xS40, x ~ 0-0.5Mon. 2 : P21
2.HC.05eDekatriasartoriteTlPb58As97S204Mon. 2/m : P21/b
2.HC.05aHyršlitePb8As10Sb6S32Mon. 2 : P21
2.HC.05eIncomsartoriteTl6Pb144As246S516Mon. 2/m
2.HC.05cLiveingitePb9As13S28Mon. 2 : P21
2.HC.05cJohnjamboritePb14Sb8.5As7.5S38Tric. 1 : P1
2.HC.05fPierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
2.HC.05dRathite-IVPbAs2S4
2.HC.05dArgentodufrénoysiteAg3Pb26As35S80Tric. 1 : P1
2.HC.05eÉcrinsiteAgTl3Pb4As11Sb9S36Tric. 1 : P1
2.HC.05aSartoritePbAs2S4Mon. 2/m : P21/m
2.HC.05aTwinnite Pb0.8Tl0.1Sb1.3As0.8S4Mon. 2/m
2.HC.05hPolloneiteAgPb46As26Sb23S120Mon. 2 : P21
2.HC.05aGuettarditePb8(Sb0.56As0.44)16S32Mon. 2/m : P21/b
2.HC.10aFülöppitePb3Sb8S15Mon. 2/m : B2/b
2.HC.10dSemseyitePb9Sb8S21Mon. 2/m : B2/b
2.HC.10dRayitePb8(Ag,Tl)2Sb8S21Mon.
2.HC.10cHeteromorphitePb7Sb8S19Mon. 2/m : B2/b
2.HC.10bPlagionitePb5Sb8S17Mon. 2/m : B2/b
2.HC.15FalkmanitePb3Sb2S6Mon.
2.HC.15BoulangeritePb5Sb4S11Mon. 2/m : P21/b
2.HC.20RobinsonitePb4Sb6S13Mon. 2/m : P21/m
2.HC.25MoëloitePb6Sb6S14(S3)Orth. 2 2 2 : P21 21 2
2.HC.30DadsonitePb23Sb25S60ClTric. 1 : P1
2.HC.35ZoubekiteAgPb4Sb4S10Orth.
2.HC.35Proto-owyheeiteAg9Pb40Sb45S112Mon. 2/m : P21/b
2.HC.35OwyheeiteAg3Pb10Sb11S28Mon. 2/m
2.HC.40ParasterryiteAg4Pb20Sb14As10S58Mon. 2/m : P21/b
2.HC.50LopatkaitePb5Sb3AsS11Mon. 2/m : P21/b

Other InformationHide

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 PhilrothiteHide

References for PhilrothiteHide

Localities for PhilrothiteHide

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.

Locality ListHide

- 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.
Russia
 
  • Sverdlovsk Oblast
    • Serovsky District
      • Turya river
        • Tur'insk
Stepanov +10 other references
Switzerland (TL)
 
  • Valais
    • Goms
      • Binn
        • Fäld
Bindi et al. (2014)
Quick NavTopAbout PhilrothiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsStrunz-MindatOther InformationInternet Links References Localities Locality List
 
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