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Pingguite

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About PingguiteHide

Formula:
Bi6Te4+2O13
Colour:
Yellow-green
Lustre:
Adamantine, Vitreous
Hardness:
5½ - 6
Specific Gravity:
8.44
Crystal System:
Orthorhombic
Name:
Named after its locality.
This page provides mineralogical data about Pingguite.


Classification of PingguiteHide

Approved
Approval Year:
1993
4.JL.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
L : Tellurites with additional anions, without H2O
34.5.4.1

34 : SELENITES, TELLURITES AND SULFITES
5 : A(X3O8)

Physical Properties of PingguiteHide

Adamantine, Vitreous
Transparency:
Translucent
Colour:
Yellow-green
Streak:
Pale yellow-green
Hardness:
5½ - 6 on Mohs scale
Hardness:
VHN50=449 - 572 kg/mm2 - Vickers
Tenacity:
Brittle
Density:
8.44 g/cm3 (Measured)    8.64 g/cm3 (Calculated)

Optical Data of PingguiteHide

Type:
Biaxial
RI values:
nα = 2.000 nβ = 2.145
Max Birefringence:
δ = 2.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively weak

Chemical Properties of PingguiteHide

Formula:
Bi6Te4+2O13

Crystallography of PingguiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 5.689(1) Å, b = 10.791(1) Å, c = 5.308(1) Å
Ratio:
a:b:c = 0.527 : 1 : 0.492
Unit Cell V:
325.86 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Granular aggregates

Type Occurrence of PingguiteHide

Place of Conservation of Type Material:
Geological Museum of China, Beijing, China
Geological Setting of Type Material:
Oxidation zone of a gold deposit

Synonyms of PingguiteHide

Other Language Names for PingguiteHide

German:Pingguit
Simplified Chinese:平谷矿
Spanish:Pingguita

Related Minerals - Nickel-Strunz GroupingHide

4.JL.05RodalquilariteFe2(TeO2OH)3(TeO3)ClTric. 1 : P1
4.JL.10MackayiteFe3+(Te4+2O5)(OH)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
4.JL.15MroseiteCaTe4+(CO3)O2Orth. mmm (2/m 2/m 2/m) : Pbca
4.JL.25TlapalliteH6(Ca,Pb)2(Cu,Zn)3(TeO3)4(TeO6)(SO4)
4.JL.30GirditeH2Pb3(Te4+O3)(Te6+O6)Mon. m

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 PingguiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sun Zhifu, Luo Keding, Tan Falan, and Zhang Jingyi (1994): Pingguite - A new bismuth tellurite mineral. Acta Mineralogica Sinica 14(4), 315-321 (in Chinese, English abstract). - New Minerals (1997), New Minerals 1990-1994 (abstract).
American Mineralogist (1996), 81, 767.

Internet Links for PingguiteHide

Localities for PingguiteHide

ⓘ - 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.
China (TL)
 
  • Beijing Municipality
    • Pinggu District
Zhifu Sun, Keding Luo, Falan Tan, and Jingyi Zhang (1994): Acta Mineralogica Sinica 14(4), 315-321
Poland
 
  • Lower Silesia
    • Czarnów
      • Rędziny
Parafiniuk J. 2003: Secondary bismuth and tellurium minerals from Rędziny (SW Poland). Mineralogia Polonica, vol. 34, no.2, 3-14; Pieczka, A., Gołębiowska, B., & Parafiniuk, J. (2011). Gold in sulfide-telluride assemblages at Rędziny, Rudawy Janowickie Range. Gold in Poland, AM Monograph, (2), 119-134.
Russia
 
  • Chukotka Autonomous Okrug
    • Okhotsk-Chukotka belt
Sidorov, V. A., Volkov, A. V., Wolfson, A. A., & Sidorov, A. A. (2007, November). Au-Bi-Te mineralization of the Kontaktovyi stock in Northeast Russia. In Doklady Earth Sciences (Vol. 417, No. 1, pp. 1164-1168). Nauka/Interperiodica.
Sweden
 
  • Västerbotten
    • Skellefteå
      • Skellefte mining district
        • Sandfors
Aksel Österlöf specimen; Aksel Österlöf and Pavel Kartashov IDs, 2013.
USA
 
  • California
    • San Bernardino Co.
      • Silver Lake District
        • Soda Mts
          • Zzyzx (Fort Soda; Soda; Soda Springs; Zzyzx Mineral Spring Resort)
Collected by and in the collection of Brent Thorne. EDS analyzed by Bob Housley and XRD analyzed by Tony Kampf.
Mineral and/or Locality  
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