Mineralogy Database

Pingguite Mineral Data

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General Pingguite Information

Help on Chemical  Formula: Chemical Formula: Bi+++6Te++++2O13
Help on Composition: Composition: Molecular Weight = 1,717.07 gm
   Bismuth    73.02 %  Bi   81.41 % Bi2O3
   Tellurium  14.86 %  Te   18.59 % TeO2
   Oxygen     12.11 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Bi6Te2O13
Help on Environment: Environment: In the oxidation zone of a small gold deposit.
Help on IMA Status: IMA Status: Approved IMA 1994
Help on Locality: Locality: At Yangjiava, Pinggu County, near Beijing, People's Republic of China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Pingguite + Pronunciation Say PINGGUITE
Help on Synonym: Synonym: IMA1993-019
 

Pingguite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5271:1:0.4918
Help on Cell Dimensions: Cell Dimensions: a = 5.689, b = 10.791, c = 5.308, Z = 1; V = 325.86 Den(Calc)= 8.75
Help on Crystal System: Crystal System: Orthorhombic Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.146(1), 2.841(0.8), 2.694(0.2),
 

Physical Properties of Pingguite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellowish green.
Help on Density: Density: 8.44 - 8.64, Average = 8.53
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Columnar - Forms columns
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: light yellowish green
 

Optical Properties of Pingguite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.224 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.243 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1226,KPDmeas= 0.1256,KC= 0.1619
Ncalc = 2.37 - 2.42
Help on Optical Data: Optical Data: Biaxial (?), a=2, b=2.145,
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Pingguite in Air
λ R  ∑ R(λ) 
 470 nm   14.84   
 546 nm   13.03 
 589 nm   13.25 
 650 nm   13.64 
Calculated Relative Intensity Colors of Pingguite in Air
Relative
Intensity
   0%   70% 100% 140% 210% 280% 350% 420% 490% 560% 630% 660%
R                        
 

Calculated Properties of Pingguite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.02 gm/cc
note: Specific Gravity of Pingguite =8.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPingguite =1,484.54 barns/electron
U=PEPingguite x rElectron Density=10425.50 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pingguite is Not Radioactive
 

Pingguite Classification

Help on  Dana Class: Dana Class: 34.05.04.01 (34)Selenites - Tellurites - Sulfites
  (34.05)Dana Type
  (34.05.04)Dana Group
 
34.05.04.01 Pingguite Bi6Te2O13 Unk Ortho
Help on  Strunz Class: Strunz Class: 04.JL.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JL -Tellurites with additional anions, without H2O
 
04.JL.20 Pingguite Bi6Te2O13 Unk Ortho
 

Other Pingguite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,p767,1996) OPTIC PROP.(Am.Min.,Vol.81,p767,1996)
Help on See Also: See Also: Links to other databases for Pingguite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Pingguite

Bi+++6Te++++2O13
Dana No: 34.05.04.01 Strunz No: 04.JL.20
Locality:

 

Notes:

 

 
   
 


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