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Paraguanajuatite

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About ParaguanajuatiteHide

Formula:
Bi2Se3
Se may be replaced by minor S.
Colour:
Lead-gray
Lustre:
Metallic
Hardness:
2½ - 3
Crystal System:
Trigonal
Name:
Named for its relationship to guanajuatite (Greek para = near); the two minerals are dimorphs.
Dimorph of:

Classification of ParaguanajuatiteHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1948
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
2.11.7.4

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3

Physical Properties of ParaguanajuatiteHide

Metallic
Transparency:
Opaque
Colour:
Lead-gray
Hardness:
2½ - 3 on Mohs scale

Chemical Properties of ParaguanajuatiteHide

Formula:
Bi2Se3

Se may be replaced by minor S.

Crystallography of ParaguanajuatiteHide

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

Type Occurrence of ParaguanajuatiteHide

Reference:
Ramdohr, P. (1948) Las especies mineralogicas guanajuatita y paraguanajuatita. Comite Directivo Investido recursos Minerales de Mexico Boletin: 20: 1-15.

Other Language Names for ParaguanajuatiteHide

Related Minerals - Nickel-Strunz GroupingHide

2.DC.05HedleyiteBi7Te3Trig. 3m (3 2/m) : R3m
2.DC.05IkunoliteBi4(S,Se)3Trig.
2.DC.05IngoditeBi2TeSTrig.
2.DC.05Joséite-BBi4Te2STrig.
2.DC.05KawazuliteBi2Te2SeTrig.
2.DC.05LaitakariteBi4Se2STrig. 3m : R3m
2.DC.05NevskiteBi(Se,S)Trig.
2.DC.05PilseniteBi4Te3Trig. 3m (3 2/m) : R3m
2.DC.05SkippeniteBi2TeSe2Trig.
2.DC.05SulphotsumoiteBi3Te2STrig.
2.DC.05TellurantimonySb2Te3Trig.
2.DC.05TellurobismuthiteBi2Te3Trig.
2.DC.05TetradymiteBi2Te2STrig. 3m (3 2/m) : R3m
2.DC.05TsumoiteBiTeTrig. 3m (3 2/m) : P3 1m
2.DC.05BaksaniteBi6Te2S3Trig. 3m (3 2/m) : P3m1
2.DC.05Joséite-CBi16Te3S9
2.DC.05ProtojoséiteBi3(Te,S)2Trig.
2.DC.05SztrókayiteBi3TeS2
2.DC.05VihorlatiteBi24Se17Te4Trig.
2.DC.05TelluronevskiteBi3TeSe2Trig.
2.DC.05UM1983-09-S:BiPbTePbBi3S2Te

Related Minerals - Dana Grouping (8th Ed.)Hide

2.11.7.1TetradymiteBi2Te2STrig. 3m (3 2/m) : R3m
2.11.7.2TellurobismuthiteBi2Te3Trig.
2.11.7.3TellurantimonySb2Te3Trig.
2.11.7.5KawazuliteBi2Te2SeTrig.
2.11.7.6SkippeniteBi2TeSe2Trig.

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.

References for ParaguanajuatiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ramdohr, P. (1948) Las especies mineralogicas guanajuatita y paraguanajuatita. Comite Directivo Investido recursos Minerales de Mexico Boletin: 20: 1-15.
Fleischer, M. (1949) New mineral names. American Mineralogist: 34: 618-620.
Earley, J.W. (1950) Description and synthesis of the selenide minerals. American Mineralogist: 35: 337-364.
Berry, L.G. and R.M. Thompson (1962) X-ray powder data for the ore minerals. Geol. Soc. Amer. Mem.: 85: 28.
Nakajima, S. (1963) The crystal structure of Bi2Te3-xSex. Journal of Physics and Chemistry of Solids: 24: 479-485.
Sindeeva, N.D. (1964) Mineralogy and types of deposits of selenium and tellurium: 71–74.
Godovikov, A.A. and Klyakhin, V.A. (1966) Guanajuatite and paraguanajuatite. Akad. Nauk SSSR, Sibirsk. Otdel., Geol. Geofiz.: 7: 67–76 (in Russian).
Fleischer, M. (1967) New mineral names. American Mineralogist: 52: 1579-1589.
Shmizu, M., Kato, A. and Matsubara, S. (1988) Hemusite and paraguanajuatite from the Lawazu mine, Shizuoka Prefecture, Japan. Mineral. J. (Japan): 14: 92–100.
Criddle, A.J. and C.J. Stanley, Eds. (1993) Quantitative data file for ore minerals, 3rd ed. Chapman & Hall, London, 413.
Cook, N.J., Ciobanu, C.L., Wagner, T., Stanley, C.J. (2007) Minerals of the system Bi-Te-Se-S related to the tetradymite archetype: review of classification and compositional variation. Canadian Mineralogist: 45: 665-708.

Internet Links for ParaguanajuatiteHide

Localities for ParaguanajuatiteHide

ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil
 
  • Goiás
    • Cavalcante
Menez, J.& Botelho, N.F. (2016): Ore characterization and textural relationships among gold, selenides, platinum group minerals, and uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineralogical Magazine: 80 (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=12684 (2016); Menez, J.; Botelho, N. F. (2017): Ore characterization and textural relationships among gold, selenides, platinum-group minerals and uraninite at the granite-related Buraco do Ouro gold mine, Cavalcante, Central Brazil. Mineralogical Magazine 81, 463-476.
Finland
 
  • Northern Finland Region
    • Kuusamo
Am Min 50:581-586
Germany
 
  • Bavaria
    • Upper Palatinate
      • 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-Safi 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
 
  • Karelia Republic
    • Lake Onega
      • Zaonezhie peninsula
        • Velikaya Guba uran-vanadium deposit
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Spain
 
  • Andalusia
    • Córdoba
      • Belalcázar
Rewitzer C., Hochleitner R., Fehr T., Utrera C.,(2016) Karibibite, schneiderhöhnite, tooeleite and other uncommon secondary minerals in the Nuestra Señora de las Alcantarillas mine, Belalcázar, Córdoba, Spain; MineralUp (Revista de Minerales) No.1 Oct. 2016 Page 9-39
Mineral and/or Locality  
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