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Chabournéite

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Formula:
Tl21-xPb2x(Sb,As)91-xS147 (x = 0-17.5)
System:
Triclinic
Colour:
Black
Hardness:
3 - 3½
Name:
For Chabournéou Glacier, near the type locality.
Homeotype of protochabournéite.

Sb-dominant analogue of dalnegroite.

Structurally related to the Sartorite Group.

Classification of Chabournéite

Approved 1976
2.HC.05e

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
3.8.12.1

3 : SULFOSALTS
8 : 1 < ø < 2
5.5.20

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

Occurrences of Chabournéite

Geological Setting:
Hydrothermal veins in dolomites.

Physical Properties of Chabournéite

Greasy, Sub-Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Black
Streak:
Red, brown
Hardness (Mohs):
3 - 3½
Hardness (Vickers):
VHN25=78 - 124 kg/mm2
Fracture:
Conchoidal
Density:
5.104 g/cm3 (Measured)    5.121 g/cm3 (Calculated)

Crystallography of Chabournéite

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 16.346(5) Å, b = 42.602(10) Å, c = 8.543(3) Å
α = 95.86(3)°, β = 86.91(3)°, γ = 96.88(3)°
Ratio:
a:b:c = 0.384 : 1 : 0.201
Z:
1
Morphology:
Crystals to 1mm
Comment:
Bonaccorsi et al. (2010) give P-1 and different cell: a 8.150(2), b 8.716(2), c 21.579(4) Å, α 85.18(1)°, β 96.94(1)°, γ 88.60(1)°, V = 1515(1) Å3. This phase apparently later became protochabournéite.

Optical Data of Chabournéite

Type:
Anisotropic
Anisotropism:
Strong in bluish and greenish colors
Colour in reflected light:
White
Internal Reflections:
Red
Pleochroism:
Weak

Chemical Properties of Chabournéite

Formula:
Tl21-xPb2x(Sb,As)91-xS147 (x = 0-17.5)
Idealised Formula:
(Tl,Pb)5(Sb,As)21S34
Essential elements:
All elements listed in formula:

Relationship of Chabournéite to other Species

Structurally related to group(s):
Common Associates:
2.HC.05bArgentobaumhaueritePb11Ag(As,Sb)18S36
2.HC.05bBaumhaueritePb12As16S36
2.HC.05dDufrénoysitePb2As2S5
2.HC.05aGuettarditePbAsSbS4
2.HC.05cLiveingitePb9As13S28
2.HC.05fParapierrotiteTl(Sb,As)5S8
2.HC.05fPierrotiteTl2Sb6As4S16
2.HC.05dRathitePb8Pb4-x(Tl2As2)x(Ag2As2)As16S40
2.HC.05aSartoritePbAs2S4
2.HC.05aTwinnite Pb0.8Tl0.1Sb1.3As0.8S4
2.HC.05dVeenitePb2(Sb,As)2S5
2.HC.05gMarumoitePb32As40S92
2.HC.05eDalnegroite(Tl4Pb2)(As12Sb8)S34
2.HC.10aFülöppitePb3Sb8S15
2.HC.10cHeteromorphitePb7Sb8S19
2.HC.10bPlagionitePb5Sb8S17
2.HC.10dRayitePb8(Ag,Tl)2Sb8S21
2.HC.10dSemseyitePb9Sb8S21
2.HC.15BoulangeritePb5Sb4S11
2.HC.15FalkmanitePb5.4Sb3.6S11
2.HC.20RobinsonitePb4Sb6S13
2.HC.25MoëloitePb6Sb6S14(S3)
2.HC.30DadsonitePb23Sb25S60Cl
2.HC.35OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
2.HC.35ZoubekiteAgPb4Sb4S10
2.HC.40ParasterryiteAg4Pb20Sb14As10S58
5.5.1LoránditeTlAsS2
5.5.2EllisiteTl3AsS3
5.5.3ImhofiteTl5.8As15.4S26
5.5.4SimoniteTlHgAs3S6
5.5.6ChristiteTlHgAsS3
5.5.6RouthieriteTl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6
5.5.7HutchinsoniteTlPbAs5S9
5.5.8Wallisite(Cu,Ag)TlPbAs2S5
5.5.9BernarditeTl(As,Sb)5S8
5.5.10VrbaiteTl4Hg3Sb2As8S20
5.5.11RebuliteTl5Sb5As8S22
5.5.12GillulyiteTl2(As,Sb)8S13
5.5.13WeissbergiteTlSbS2
5.5.14Rohaite(Tl,Pb,K)2Cu8.7Sb2S4
5.5.15VaughaniteTlHgSb4S7
5.5.16ChalcothalliteTl2(Cu,Fe)6SbS4
5.5.17PierrotiteTl2Sb6As4S16
5.5.18ParapierrotiteTl(Sb,As)5S8
5.5.19CriddleiteTlAg2Au3Sb10S10

Other Names for Chabournéite

Name in Other Languages:
Simplified Chinese:硫砷锑铅铊矿

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 Chabournéite

Reference List:
Johan, Z., Mantienne, J., Picot, P. (1981): La chabournéite, un nouveau minéral thallifère. Bulletin de Minéralogie, 104, 10-15 (in French).

American Mineralogist: 64: 242.

Nagl, A. (1979): The crystal structure of a thallium sulfosalt, Tl8Pb4Sb21As19S68. Zeitschrift für Kristallographie, 150, 85-106.

Bonaccorsi, E., Biagioni, C., Moëlo, Y. & Orlandi, P. (2010): Chabournéite from Monte Arsiccio mine (Apuan Alps, Tuscany, Italy): occurrence and crystal structure. 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27, CD of Abstracts, p. 714.

Biagioni, C., Moëlo, Y., Favreau, G., Bourgoin, V., Boulliard, J.-C. (2015): Crystal structure of Pb-rich chabournéite from Jas Roux, France. Acta Crystallographica, B71, 81-88.

Internet Links for Chabournéite

Localities for Chabournéite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
France (TL)
 
  • Provence-Alpes-Côte d'Azur
    • Hautes-Alpes
      • La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar)
Mem.Bur.Rech.Geol.Minière,(1977) 90, 1, 115; Bull.Minéral.(1981) 104, 10-15; Johan, Z. & Mantienne, J. (2000): Thallium-rich mineralization at Jas Roux, Hautes-Alpes, France: a complex epithermal, sediment-hosted, ore-forming system. J. Czech Geol. Soc. 45, 63-77.
Italy
 
  • Tuscany
    • Lucca Province
      • Apuan Alps
        • Stazzema
          • Sant'Anna di Stazzema
Bonaccorsi, E. et al. (2010): 20th General Meeting IMA, 6, 714; C. Biagioni, E. Bonaccorsi, Y. Moëlo, P. Orlandi & W. Paar (2011): Monte Arsiccio mine: The first thallium ore in Apuan Alps. Plinius 37, 401.
Japan
 
  • Hokkaido
    • Abuta-gun
      • Takarada
Shimizu, M., Matsuyama, F. and Shimizu, M. (1999): Hutchinsonite, TlPb(As,Sb)5S9 chabournéite, Tl2Pb(Sb,As)10S17 and unnamed (Tl,Ag)2Pb6(As,Sb)16S31 from the Toya-Takarada mine, Hokkaido, Japan -Tl mineralisation in the Kuroko deposits. Resource Geology, Special Issue no. 20, 31-37.; American Mineralogist, Volume 67, pages 621-624, 1982
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