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General Pottsite Information |
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 Chemical Formula: |
PbBiH(VO4)2•2(H2O) | ||
| Composition: |
Molecular Weight = 683.10 gm | ||
| Vanadium 14.91 % V 26.63 % V2O5 | |||
| Bismuth 30.59 % Bi 34.11 % Bi2O3 | |||
| Hydrogen 0.74 % H 6.59 % H2O | |||
| Lead 30.33 % Pb 32.67 % PbO | |||
| Oxygen 23.42 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
PbBiH(VO4)2•2(H2O) | ||
| Environment: |
Oxide zone of a tungsten mine. | ||
| IMA Status: |
Approved IMA 1988 | ||
| Locality: |
Potts, Lander Coundy, Nevada. USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
| Name Pronunciation: |
Pottsite  |
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Pottsite Image | |||
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Images:
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Pottsite Crystallography |
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| Axial Ratios: |
a:c = 1:1.13984 | ||
| Cell Dimensions: |
a = 11.084, c = 12.634, Z = 10; V = 1,552.15 Den(Calc)= 7.31 | ||
| Crystal System: |
Tetragonal - TrapezohedralH-M Symbol (4 2 2) Space Group: I 4122 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.06(1), 4.62(0.9), 2.48(0.4),3.21(0.4), 1.952(0.3), 2.18(0.3), 2.25(0.3), 4.17(0.3), | ||
Physical Properties of Pottsite |
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| Cleavage: |
None | ||
| Color: |
Bright yellow. | ||
| Density: |
7 | ||
| Diaphaneity: |
Translucent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
| Habit: |
Pyramidal - Crystals are shaped like pyramids. | ||
| Hardness: |
3.5 - Copper Penny | ||
| Luster: |
Adamantine | ||
| Streak: |
light yellow | ||
Optical Properties of Pottsite |
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| Gladstone-Dale: |
CI meas= 0.075 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.115 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1847,KPDmeas= 0.1929,KC= 0.2086 Ncalc = 2.46 - 2.52 |
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| Optical Data: |
Uniaxial (-), e=2.3, w=2.4, bire=0.1000. | ||
Calculated Properties of Pottsite |
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| Electron Density: |
Bulk Density (Electron Density)=6.07 gm/cc note: Specific Gravity of Pottsite =7.00 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.06 Boson Index = 0.94 |
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| Photoelectric: |
PEPottsite =1,108.57 barns/electron U=PEPottsite x rElectron Density=6,725.12 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pottsite is Not Radioactive |
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Pottsite Classification |
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| Dana Class: |
40.01.04.01 (40)Hydrated Phosphates, etc | ||
| (40.01)where A++ B++ (XO4) · x(H2O) | |||
| (40.01.04)Dana Group | |||
| Strunz Class: |
08.CG.25 08 - PHOSPHATES, ARSENATES, VANADATES | ||
| 08.C - Phosphates without Additional Anions, with H2O | |||
| 08.CG -With large and medium-sized cations, RO4:H2O = 1:1 | |||
Other Pottsite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Am.Min.,Vol.74,p503,1989) | ||
| See Also: |
Links to other databases for Pottsite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Pottsite using: Visit our Advertisers for Pottsite : A Bijoux Google Search for PottsiteAdam's Minerals Google Search for Pottsite Cape Minerals Google Search for Pottsite Dakota Matrix Minerals Google Search for Pottsite Excalibur Mineral Corp. Google Search for Pottsite Exceptional Minerals Google Search for Pottsite John Betts Fine Minerals Search for Pottsite McDougall Minerals Google Search for Pottsite Mineral News Website Link Rock and Mineral Shows Google Search for Pottsite Weinrich Minerals, Inc. Google Search for Pottsite Ask about Pottsite here : Print or Cut-and-Paste your Pottsite Specimen Label here :
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