General Pingguite Information Chemical Formula: |
Bi+++6Te++++2O13 |
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 |
Empirical Formula: |
Bi6Te2O13 |
Environment: |
In the oxidation zone of a small gold deposit. |
IMA Status: |
Approved IMA 1994 |
Locality: |
At Yangjiava, Pinggu County, near Beijing, People's Republic of China. Link to MinDat.org Location Data. |
Name Origin: |
Named after its locality. |
Name Pronunciation: |
Pingguite + Pronunciation |
Synonym: |
IMA1993-019 |
| | Search for Pingguite Images
Images:
|
|
| | Pingguite Crystallography Axial Ratios: |
a:b:c =0.5271:1:0.4918 |
Cell Dimensions: |
a = 5.689, b = 10.791, c = 5.308, Z = 1; V = 325.86 Den(Calc)= 8.75 |
Crystal System: |
OrthorhombicSpace Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 3.146(1), 2.841(0.8), 2.694(0.2), |
| Physical Properties of Pingguite Cleavage: |
None |
Color: |
Yellowish green. |
Density: |
8.44 - 8.64, Average = 8.53 |
Diaphaneity: |
Transparent |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Habit: |
Columnar - Forms columns |
Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
Hardness: |
5.5-6 - Knife Blade-Orthoclase |
Luster: |
Vitreous - Greasy |
Streak: |
light yellowish green |
| Optical Properties of Pingguite 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 Optical Data: |
Biaxial (?), a=2, b=2.145, |
Reflectivity |
|
| Calculated Properties of Pingguite Electron Density: |
Bulk Density (Electron Density)=7.02 gm/cc |
note: Specific Gravity of Pingguite =8.54 gm/cc. Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEPingguite =1,484.54 barns/electron |
U=PEPingguite x rElectron Density=10425.50 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Pingguite is Not Radioactive | Pingguite Classification Dana Class: |
34.05.04.01 (34)Selenites - Tellurites - Sulfites |
|
(34.05)Dana Type |
|
(34.05.04)Dana Group |
|
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 |
|
| Other Pingguite Information References: |
NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.81,p767,1996) OPTIC PROP.(Am.Min.,Vol.81,p767,1996) |
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 Search for Pingguite using: Visit our Advertisers for Pingguite : A Bijoux Google Search for PingguiteAdam's Minerals Google Search for Pingguite Cape Minerals Google Search for Pingguite Dakota Matrix Minerals Google Search for Pingguite Excalibur Mineral Corp. Google Search for Pingguite Exceptional Minerals Google Search for Pingguite John Betts Fine Minerals Search for Pingguite McDougall Minerals Google Search for Pingguite Mineral News Website Link Rock and Mineral Shows Google Search for Pingguite Weinrich Minerals, Inc. Google Search for Pingguite Ask about Pingguite here : Print or Cut-and-Paste your Pingguite Specimen Label here :
| |
|
| |