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Potosíite

A variety of Franckeite
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02045990017361051725285.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
03954300017271925964278.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
09878760017271925993693.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
02045990017361051725285.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
03954300017271925964278.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
09878760017271925993693.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
02045990017361051725285.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
03954300017271925964278.jpg
Potosíite, etc.

San José Mine, Oruro, Cercado Province, Oruro, Bolivia
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About PotosíiteHide

Formula:
Pb6Sn3FeSb3S16
Lustre:
Metallic
Hardness:
2½
Crystal System:
Triclinic
Name:
Named after Potosi, Bolivia.
A Sn(II)-poor variety of franckeite originally thought to be a separate species.
See also incaite.

Originally reported from Andacaba deposit, Linares Province, Potosí Department, Bolivia.


Name EncodingHide

ASCII-7:
Potosiite

Unique IdentifiersHide

Mindat ID:
3269 (as Potosíite)
1592 (as Franckeite)
Long-form identifier:
mindat:1:1:3269:4 (as Potosíite)
mindat:1:1:1592:5 (as Franckeite)

Similar NamesHide

PottsiteA valid IMA mineral species(Pb3xBi4-2x)(VO4)4 · H2O (0.8 < x < 1.0)

IMA Classification of PotosíiteHide

IMA status:
Discredited

Classification of PotosíiteHide

Strunz-mindat (2026):
2.HF.25b

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
F : With SnS and PbS archetype structure units
Dana 8th ed.:
3.1.4.4

3 : SULFOSALTS
1 : ø > 4
Hey's CIM Ref.:
6.1.21

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
1 : Sulphostannates and other sulfides containing Sn

Physical Properties of PotosíiteHide

Lustre:
Metallic
Transparency:
Opaque
Hardness:
2½ on Mohs scale
Fracture:
Splintery

Chemistry of PotosíiteHide

Mindat Formula:
Pb6Sn3FeSb3S16
Element Weights:
Element% weight
Pb49.071 %
S20.250 %
Sb14.418 %
Sn14.057 %
Fe2.204 %

Calculated from ideal end-member formula.
Pb
S
Sb
Sn
Fe
Elements listed:
Fe, Pb, S, Sb, Sn - search for minerals with similar chemistry
Common Impurities:
Ag,In

Crystallography of PotosíiteHide

Crystal System:
Triclinic

Synonyms of PotosíiteHide

Other Language Names for PotosíiteHide

German:Potosiit
Japanese:ポトシ鉱
Spanish:Potosiita

Common AssociatesHide

Associations Based on Photo Data:
262 photos of Potosíite associated with FranckeiteFe2+(Pb,Sn2+)6Sn4+2Sb2S14
15 photos of Potosíite associated with GalenaPbS
14 photos of Potosíite associated with CervantiteSb3+Sb5+O4
13 photos of Potosíite associated with BoulangeritePb5Sb4S11
12 photos of Potosíite associated with JamesonitePb4FeSb6S14
7 photos of Potosíite associated with ArsenopyriteFeAsS
4 photos of Potosíite associated with MarcasiteFeS2
1 photo of Potosíite associated with CylindritePb3Sn4FeSb2S14
1 photo of Potosíite associated with 'Incaite'(Pb,Ag)4Sn4FeSb2S15
1 photo of Potosíite associated with ZinkenitePb9Sb22S42

Related Minerals - Strunz-mindat GroupingHide

2.HF.RamositePb25.7Sn8.3Mn3.4Sb6.4S56.2Mon.
2.HF.20VrbaiteHg3Tl4As8Sb2S20Orth. mmm(2/m2/m2/m) : Cmca
2.HF.25bFranckeiteFe2+(Pb,Sn2+)6Sn4+2Sb2S14Tric. 1 : P1
2.HF.25aMerelaniiteMo4Pb4VSbS15Tric. 1
2.HF.25aAbramovitePb2SnInBiS7Tric. 1 : P1
2.HF.25aLévyclauditePb8Sn7Cu3(Bi,Sb)3S28Tric. 1
2.HF.25aCylindritePb3Sn4FeSb2S14Tric. 1 : P1
2.HF.25bCoiraite(Pb,Sn)12.5Sn5FeAs3S28Mon.
2.HF.25b v'Plumbostannite'Pb2Fe2Sn2Sb2S11
2.HF.30Lengenbachite Ag4Cu2Pb18As12S39Tric.

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 PotosíiteHide

References for PotosíiteHide

Localities for PotosíiteHide

Showing 10 localities.

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.
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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.
Argentina
 
  • Jujuy Province
    • Rinconada Department
      • Mina Pirquitas
        • Pirquitas Mine
          • San Miguel Open pit
Paar et al. (2000)
Bolivia
 
  • Oruro
    • Cercado Province
      • Oruro
Petrov (n.d.) +1 other reference
    • Pantaleón Dalence Province
Franco (2018)
Jiménez-Franco et al. (2018)
Jiménez-Franco et al. (2018)
Jiménez-Franco et al. (2018)
  • Potosí
    • José María Linares Province
Sugaki et al. (1988)
    • Rafael Bustillo Province
      • Llallagua
Petrov et al. (2006)
Canada
 
  • British Columbia
    • Liard Mining Division
      • Turnagain River area
Kissin et al. (1986) +2 other references
Japan
 
  • Oita Prefecture
    • Bungo-Ono City
Shimizu et al. (1992)
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