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Paraguanajuatite

Formula:
Bi
 
2
(Se,S)
 
3
System:TrigonalColour:Lead-gray
Hardness:2½ - 3


Tetradymite Group.

Compare guanajuatite.


Classification of Paraguanajuatite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/D.09-30
Nickel-Strunz 10th (pending) edition ID:2.DC.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
C : Variable M:S
Dana 8th edition ID:2.11.7.4

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
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Type Occurrence of Paraguanajuatite

Type Locality:Santa Catarina Mine, Rancho Calvillo, Santa Rosa, Sierra de Santa Rosa, Mun. de Guanajuato, Guanajuato, Mexico
Year of Discovery:1948

Physical Properties of Paraguanajuatite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Lead-gray
Hardness (Mohs):2½ - 3

Crystallography of Paraguanajuatite

Crystal System:Trigonal
Cell Parameters:a = 4.13Å, c = 28.63Å
Ratio:a:c = 1 : 6.932
Unit Cell Volume:V 422.91 ų (Calculated from Unit Cell)

Chemical Properties of Paraguanajuatite

Formula:
Bi
 
2
(Se,S)
 
3
Essential elements:Bi, Se
All elements listed in formula:Bi, S, Se

Relationship of Paraguanajuatite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.DC.05Hedleyite
Bi
 
7
Te
 
3
2.DC.05Ikunolite
Bi
 
4
(S,Se)
 
3
2.DC.05Ingodite
Bi
 
2
TeS
2.DC.05Joséite-B
Bi
 
4
Te
 
2
S
2.DC.05Kawazulite
Bi
 
2
Te
 
2
Se
2.DC.05Laitakarite
Bi
 
4
Se
 
2
S
2.DC.05Nevskite
Bi(Se,S)
2.DC.05Pilsenite
Bi
 
4
Te
 
3
2.DC.05Platynite
2.DC.05Skippenite
Bi
 
2
TeSe
 
2
2.DC.05Sulphotsumoite
Bi
 
3
Te
 
2
S
2.DC.05Tellurantimony
Sb
 
2
Te
 
3
2.DC.05Tellurobismuthite
Bi
 
2
Te
 
3
2.DC.05Tetradymite
Bi
 
2
Te
 
2
S
2.DC.05Tsumoite
BiTe
2.DC.05Baksanite
Bi
 
6
Te
 
2
S
 
3
2.DC.05Joséite-C
Bi
 
16
Te
 
3
S
 
9
2.DC.05Protojoséite
Bi
 
4
TeS
 
2
2.DC.05Sztrókayite
Bi
 
3
TeS
 
2
2.DC.05Vihorlatite
Bi
 
8+x
(Se,Te,S)
 
11-x
2.DC.05Telluronevskite
Bi
 
3
TeSe
 
2
2.DC.05UM1983-09-S:BiPbTe
PbBi
 
3
S
 
2
Te

Other Names for Paraguanajuatite

Other Languages:
German:Paraguanajuatit
Russian:Парагуанахуатит
Spanish:Paraguanajuatita

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 Paraguanajuatite

Reference List:American Mineralogist (1949): 34: 619.

Mineralogical Journal (Japan) (1988): 14: 92.

Internet Links for Paraguanajuatite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Paraguanajuatite in the Natural History Museum (London) online catalogue
  • Paraguanajuatite details from Handbook of Mineralogy (PDF)
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    Localities for Paraguanajuatite

    Hide Locality List
    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.
    Finland
     
    • Oulun (Oulu) Lääni
      • Kuusamo
    		Am Min 50:581-586
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Schwandorf
          • Wölsendorf Fluorite mining District
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    		Shimizu et al. (1988) Mineralogical Journal, 14, 92-100.; Int Geol Congr (2008) Oslo. MRD-09
    Mexico
     
    • Guanajuato
      • Mun. de Guanajuato
        • Sierra de Santa Rosa
          • Rancho Calvillo
    		Panczner(1987):115-292.
          • Santa Rosa
            • Rancho Calvillo
    		MJ 14 (1988), 92; Panczner (1987): 115-292.
    Morocco
     
    • Marrakech-Tensift-El Haouz Region
      • Marrakech Prefecture
        • Marrakech
          • Draa Sfar deposit
    		Belkabir, A., Gibson, H.L., Marcoux, E., Lentz, D., and Rziki, S. (2008): Ore Geology Reviews 33, 280-306.
    Russia
     
    • Northern Region
      • Karelia Republic
        • Lake Onega
          • Zaonezhie peninsula
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Oct 2009 22:00:16