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Coiraite

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Formula:
(Pb,Sn)
 
12.5
Sn
 
5
FeAs
 
3
S
 
28
System:MonoclinicColour:dark grey
Member of:Franckeite Group


The As analogue of Franckeite.

Classification of Coiraite

IMA status:Approved 2005
Strunz 8th edition ID:2/C.17-
Nickel-Strunz 10th (pending) edition ID: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
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Type Occurrence of Coiraite

Type Locality:Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina
Geological Setting of type material:Polymetallic hydrotermal veins in Ordovician sediments of the Acoyte Formation
Associated Minerals at type locality:
Sphalerite

Physical Properties of Coiraite

Colour:dark grey

Crystallography of Coiraite

Crystal System:Monoclinic
X-Ray Powder Diffraction:
d-spacingIntensity
4.27 (61)
3.426 (72)
3.345 (87)
3.122 (78)
3.009 (71)
2.966 (94)
2.883 (100)
2.065 (51)

Chemical Properties of Coiraite

Formula:
(Pb,Sn)
 
12.5
Sn
 
5
FeAs
 
3
S
 
28
Simplified for copy/paste:(Pb,Sn)12.5Sn5FeAs3S28
Essential elements:As, Fe, Pb, S, Sn
All elements listed in formula:As, Fe, Pb, S, Sn
Analytical Data:Analysis from the book by de Brodtkorb
Pb (53.1-54.1)
Sn (17.07-18.6)
Fe (1.5-1.8)
Ag (0.4)
S (19.9-21.5)
Sb (0.6)
As (5.5-5.8)

Relationship of Coiraite to other Species

Member of:Franckeite Group
Other Members of Group:

- +
Franckeite
Fe
2+
 
(Pb,Sn
2+
 
)
 
6
Sn
4+
2
Sb
 
2
S
 
14
Related Minerals - Nickel-Strunz Grouping):

- +
2.HF.20Vrbaite
Tl
 
4
Hg
 
3
Sb
 
2
As
 
8
S
 
20
2.HF.25aCylindrite
Pb
 
3
Sn
 
4
FeSb
 
2
S
 
14
2.HF.25bFranckeite
Fe
2+
 
(Pb,Sn
2+
 
)
 
6
Sn
4+
2
Sb
 
2
S
 
14
2.HF.25bIncaite
(Pb,Ag)
 
4
Sn
 
4
FeSb
 
2
S
 
15
2.HF.25aLévyclaudite
Pb
 
8
Sn
 
7
Cu
 
3
(Bi,Sb)
 
3
S
 
28
2.HF.25bPotosíite
Pb
 
6
Sn
 
3
FeSb
 
3
S
 
16
2.HF.25aAbramovite
Pb
 
2
SnInBiS
 
7
2.HF.30Lengenbachite
Ag
 
4
Cu
 
2
Pb
 
18
As
 
12
S
 
39
·

Other Names for Coiraite

Synonyms:
As-FranckeiteIMA2005-024Unnamed (As-analogue of Franckeite)
Other Languages:
German:As-Franckeit

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Coiraite

Reference List:

- +
Brodtkorb, M. K. de: Las Especies Minerales de la Republica Argentina (2002) Asociacion Mineralogica Argentina.

Paar, W.H., de Brodtkorb, M.K., Sureda, R.J., Topa, D. (2001): Mineralogía y quimismo de sulfuros y sulfosales de estaño y plomo en las vetas de Mina Pirquitas, Jujuy, Argentina (22°41'S66°28'W). Revista geológica de Chile, 28(2), 259-268.

Internet Links for Coiraite

Search Engines:
  • Look for Coiraite on Google
  • Look for Coiraite images on Google
  • External Links:
  • Look for Coiraite on Webmineral
  • Look for Coiraite on Athena Mineralogy
  • Look for Coiraite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Fine minerals from bisbeeborn.com
  • Fine Minerals from Weinrich Minerals, Inc.
  • rare and unusual minerals mainly crystallized
  • Search for Coiraite on Well-Arranged Molecules
  • Coiraite specimens for sale - minfind.com
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Fabre Minerals - search for Coiraite specimens
  • Buy RARE Minerals from Rocks of Africa
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  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
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  • Fine and rare minerals from mintreasure.com
  • Localities for Coiraite

    The 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. ? 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.
    Argentina
     
    • Jujuy
      • Rinconada Department
    M. de Brodtkorb (2002)
    Paar, W. H., Moëlo, Y., Mozgova, N. N., Organova, N. I., Stanley, C. J., Roberts, A. C., ... & De Brodtkorb, M. K. (2008). Coiraite,(Pb, Sn2+) 12.5 As3Fe2+ S28: a franckeite-type new mineral species from Jujuy Province, NW Argentina. Mineralogical Magazine, 72(5), 1083-1101.
    Paar, W. H. (2013): Pirquitasit - erstmals Kristalle aus Argentinien zu sehen. Mineralien-Welt 24 (3), 42-43 (in German).
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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