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Parapierrotite

A valid IMA mineral species
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About ParapierrotiteHide

08092160014946713887546.jpg
Roland Pierrot (1930-1998)
Formula:
TlSb5S8
Some Sb may be replaced by As (note that pierrotite has a much higher As content).
Colour:
Black
Lustre:
Sub-Metallic
Hardness:
2½ - 3
Specific Gravity:
5.07
Crystal System:
Monoclinic
Member of:
Name:
Named for close relation to pierrotite, which was named after Roland Pierrot (1930-1998).
Dimorph of:
Prismatic crystals, also laths and grains.


Unique IdentifiersHide

Mindat ID:
3105
Long-form identifier:
mindat:1:1:3105:5
GUID
(UUID V4):
5db6ad20-f016-45ee-b475-593c26043789

IMA Classification of ParapierrotiteHide

Classification of ParapierrotiteHide

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
3.8.14.1

3 : SULFOSALTS
8 : 1 < ø < 2
5.5.18

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
5 : Sulpharsenites etc. of Tl

Mineral SymbolsHide

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

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

Physical Properties of ParapierrotiteHide

Sub-Metallic
Transparency:
Opaque
Colour:
Black
Hardness:
2½ - 3 on Mohs scale
Hardness:
VHN100=76 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good basal cleavage (or parting?), and possible poorer cleavage in other directions (see: http://www.mindat.org/photo-340631.html and other photos). The original description incorrectly says that no cleavage was observed.
Density:
5.07 g/cm3 (Measured)    5.04 g/cm3 (Calculated)

Optical Data of ParapierrotiteHide

Anisotropism:
Distinct, brownish gray to bluish gray.
Reflectivity:
WavelengthR1R2
400nm33.1%35.1%
420nm33.1%34.4%
440nm33.1%33.7%
460nm32.1%33.1%
480nm31.6%32.6%
500nm31.0%32.3%
520nm30.5%31.9%
540nm30.0%31.5%
560nm29.5%31.1%
580nm28.9%30.6%
600nm28.4%30.2%
620nm28.0%29.8%
640nm27.6%29.5%
660nm27.2%29.0%
680nm26.1%28.5%
700nm26.4%28.4%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 35.1%.
R1 shown in black, R2 shown in red
Colour in reflected light:
White with a creamy tint.
Internal Reflections:
Rare red-purple internal reflections.
Pleochroism:
Weak
Comments:
Weak in air, grayish white to brownish gray in oil.

Chemistry of ParapierrotiteHide

Mindat Formula:
TlSb5S8

Some Sb may be replaced by As (note that pierrotite has a much higher As content).

Crystallography of ParapierrotiteHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Cell Parameters:
a = 8.098(5) Å, b = 19.415(12) Å, c = 9.059(6) Å
β = 91.96(8)°
Ratio:
a:b:c = 0.417 : 1 : 0.467
Unit Cell V:
1,423.45 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Prismatic crystals to 3 mm
Twinning:
None observed.
Comment:
Space group Pn. (Originally assumed to have P21/n.)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0010823ParapierrotiteEngel P (1980) Die kristallstruktur von synthetischem parapierrotit, TlSb5S8 Zeitschrift fur Kristallographie 151 203-2161980synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.15 Å(90)
3.93 Å(60)
3.70 Å(90)
3.60 Å(70)
3.49 Å(100)
2.91 Å(90)
2.83 Å(100)
2.36 Å(90)
Comments:
ICDD 29-1330

Geological EnvironmentHide

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

Type Occurrence of ParapierrotiteHide

General Appearance of Type Material:
As terminated prismatic crystals, to 1 cm.
Place of Conservation of Type Material:
National School of Mines, Paris, France.
Geological Setting of Type Material:
Hydrothermal deposits.
Associated Minerals at Type Locality:
Reference:
John, Z., Picot, P., Hak, J., Kvaček, M. (1975): La parapierrotite, un nouveau minéral thallifère d'Allchar (Yougoslavie). Tschermaks Mineralogische und Petrographische Mitteilungen 22, 200-210.

Synonyms of ParapierrotiteHide

Other Language Names for ParapierrotiteHide

Relationship of Parapierrotite to other SpeciesHide

Member of:
Other Members of this 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
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
PhilrothiteTlAs3S5Mon. 2/m : P21/b
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

Common AssociatesHide

Associated Minerals Based on Photo Data:
33 photos of Parapierrotite associated with Chert
13 photos of Parapierrotite associated with WeissbergiteTlSbS2
9 photos of Parapierrotite associated with KermesiteSb2S2O
8 photos of Parapierrotite associated with RealgarAs4S4
7 photos of Parapierrotite associated with ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2O
7 photos of Parapierrotite associated with TripuhyiteFe3+Sb5+O4
6 photos of Parapierrotite associated with AvicenniteTl2O3
6 photos of Parapierrotite associated with QuartzSiO2
6 photos of Parapierrotite associated with StibiconiteSb3+Sb5+2O6(OH)
5 photos of Parapierrotite associated with HematiteFe2O3

Related Minerals - Strunz-mindat GroupingHide

2.HC.BernarlottiitePb6(As5Sb3)S18Tric. 1 : P1
2.HC.05bArgentobaumhaueriteAg1.5Pb22As33.5S72Tric. 1 : P1
2.HC.05bBaumhaueritePb12As16S36Tric. 1 : P1
2.HC.05dDufrénoysitePb2As2S5Mon. 2 : P21
2.HC.05aGuettarditePb8(Sb0.56As0.44)16S32Mon. 2/m : P21/b
2.HC.05cLiveingitePb9As13S28Mon. 2 : P21
2.HC.05fPierrotiteTl2(Sb,As)10S16Orth. mm2 : Pna21
2.HC.05dRathiteAg2Pb12-xTlx/2As18+x/2S40Mon. 2/m : P21/b
2.HC.05aSartoritePbAs2S4Mon. 2/m : P21/m
2.HC.05aTwinnite Pb0.8Tl0.1Sb1.3As0.8S4Mon. 2/m
2.HC.05dVeenitePb16Sb9-xAs7+xS40, x ~ 0-0.5Mon. 2 : P21
2.HC.05gMarumoitePb32As40S92Mon. 2 : P21
2.HC.05dRathite-IVPbAs2S4
2.HC.05fPhilrothiteTlAs3S5Mon. 2/m : P21/b
2.HC.05hPolloneiteAgPb46As26Sb23S120Mon. 2 : P21
2.HC.05eHeptasartoriteTl7Pb22As55S108Mon. 2/m : P21/b
2.HC.05eHendekasartoriteTl2Pb48As82S172Mon. 2/m : P21/b
2.HC.05eÉcrinsiteAgTl3Pb4As11Sb9S36Tric. 1 : P1
2.HC.05bBaumhauerite II
2.HC.05cArgentoliveingiteAg3+xPb36-2xAs51+xS112Tric. 1 : P1
2.HC.05eIncomsartoriteTl6Pb144As246S516Mon. 2/m
2.HC.05dArgentodufrénoysiteAg3Pb26As35S80Tric. 1 : P1
2.HC.05aHyršlitePb8As10Sb6S32Mon. 2 : P21
2.HC.05eDekatriasartoriteTlPb58As97S204Mon. 2/m : P21/b
2.HC.10aFülöppitePb3Sb8S15Mon. 2/m : B2/b
2.HC.10cHeteromorphitePb7Sb8S19Mon. 2/m : B2/b
2.HC.10bPlagionitePb5Sb8S17Mon. 2/m : B2/b
2.HC.10dRayitePb8(Ag,Tl)2Sb8S21Mon.
2.HC.10dSemseyitePb9Sb8S21Mon. 2/m : B2/b
2.HC.15BoulangeritePb5Sb4S11Mon. 2/m : P21/b
2.HC.15FalkmanitePb3Sb2S6Mon.
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.35OwyheeiteAg3Pb10Sb11S28Mon. 2/m
2.HC.35ZoubekiteAgPb4Sb4S10Orth.
2.HC.40ParasterryiteAg4Pb20Sb14As10S58Mon. 2/m : P21/b
2.HC.50LopatkaitePb5Sb3AsS11Mon. 2/m : P21/b

Fluorescence of ParapierrotiteHide

Not fluorescent

Other InformationHide

Health Risks:
Contains thallium - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest.

Internet Links for ParapierrotiteHide

References for ParapierrotiteHide

Localities for ParapierrotiteHide

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.
Canada
 
  • Ontario
    • Thunder Bay District
      • Bomby Township
Harris et al. (1988)
Sabina (1991)
Harris et al. (1988)
M. Bonnemaison
France
 
  • Provence-Alpes-Côte d'Azur
    • Hautes-Alpes
      • Gap
        • La Chapelle-en-Valgaudemar
Anthony et al. (1990) +1 other reference
Italy
 
  • Tuscany
    • Lucca Province
      • Stazzema
        • Sant'Anna di Stazzema
Biagioni et al. (2017)
Kosovo
 
  • Pristina District
    • Graçanica
      • Gračanica (Graçanicë)
Mederski et al. (2022)
North Macedonia (TL)
 
  • Kavadarci Municipality
    • Ržanovo
John et al. (1975) +3 other references
Färber (n.d.)
Russia
 
  • Sakha
    • Aldansky District
      • Upper Amga gold-mining district
        • Khokhoy Gold Ore Field
          • Verkhneamginskaya auriferous zone
Kasatkin et al. (2022)
  • Sverdlovsk Oblast
    • Serovsky District
      • Turya river
        • Tur'insk
Stepanov +9 other references
Switzerland
 
  • Valais
    • Goms
      • Binn
        • Fäld
fglb.clubdesk.ch (2013) +1 other reference
USA
 
  • Utah
    • Tooele County
      • Lookout Pass Mining District
        • Little Valley
King (2014, October)
      • Sheeprock Mountains
        • Blue Bell Mining District
- (2005)
 
Mineral and/or Locality  
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