General Parsonsite Information![]() Pb2(UO2)(PO4)2•2(H2O) |
![]() Molecular Weight = 910.40 gm |
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Uranium 26.15 % U 29.66 % UO2 |
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Phosphorus 6.80 % P 15.59 % P2O5 |
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Hydrogen 0.44 % H 3.96 % H2O |
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Lead 45.52 % Pb 49.03 % PbO |
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Oxygen 21.09 % O |
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100.00 % 98.24 % = TOTAL OXIDE |
![]() Pb2(UO2)(PO4)2•2(H2O) |
![]() Valid Species (Pre-IMA) 1923 |
![]() Kaslol, Shava, Zaire. Link to MinDat.org Location Data. |
![]() Named for Arthur Leonard Parsons (1873-1957), mineralogist, University of Toronto, Canada. |
![]() Parsonsite + Pronunciation |
![]() ![]() ICSD 89832 |
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PDF 12-259 |
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Parsonsite Crystallography![]() a:b:c =0.6589:1:0.6423 |
![]() a = 6.842, b = 10.383, c = 6.67, Z = 2; alpha = 101.26°, beta = 98.174°, gamma = 86.378° V = 459.08 Den(Calc)= 6.59 |
![]() Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
![]() By Intensity(I/Io): 3.253(1), 3.283(1), 4.233(0.65), |
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| Physical Properties of Parsonsite![]() {010} Indistinct |
![]() Brown, Greenish brown, Yellow, Yellow brown, Light yellow. |
![]() 5.72 - 6.29, Average = 6 |
![]() Transparent to Translucent |
![]() Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
![]() Microscopic Crystals - Crystals visible only with microscopes. |
![]() Platy - Sheet forms (e.g. micas). |
![]() Pseudo Hexagonal - Crystals show a hexagonal outline. |
![]() 2.5-3 - Finger Nail-Calcite |
![]() Non-fluorescent. |
![]() Subadamantine |
![]() white |
| Optical Properties of Parsonsite![]() CI meas= -0.071 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1337,KPDmeas= 0.1465,KC= 0.1369 Ncalc = 1.78 - 1.9 ![]() Biaxial (-), a=1.87, g=1.89, bire=0.0200, 2V(Meas)=11-26. |
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| Calculated Properties of Parsonsite![]() Bulk Density (Electron Density)=5.58 gm/cc |
note: Specific Gravity of Parsonsite =6.58 gm/cc. ![]() Fermion Index = 0.1 |
Boson Index = 0.9 ![]() PEParsonsite =1,523.92 barns/electron |
U=PEParsonsite x relectron=8,503.03 barns/cc. ![]() |
GRapi = 1,889,797.59 (Gamma Ray American Petroleum Institute Units)
Parsonsite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size
(10 mRem/hr limit, Unshielded 10 cm box)
16.10 ± 4.02 grams of pure Parsonsite .
Weight of pure Parsonsite in grams (gm) and Calculated Diameter of a Sphere with a Density of 6.58 gm/cc.* | Parsonsite Classification![]() 40.02a.31.01 (40)Hydrated Phosphates, etc |
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(40.02a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++ |
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(40.02a.31)Dana Group |
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![]() 08.EA.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.E - Uranyl Phosphates and Arsenates |
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08.EA -UO2:RO4 = 1:2 |
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| Other Parsonsite Information![]() NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
![]() Links to other databases for Parsonsite : |
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 15 - Uranium Minerals Search for Parsonsite using: Visit our Advertisers for Parsonsite : A Bijoux Google Search for ParsonsiteAdam's Minerals Google Search for Parsonsite Cape Minerals Google Search for Parsonsite Dakota Matrix Minerals Google Search for Parsonsite Excalibur Mineral Corp. Google Search for Parsonsite Exceptional Minerals Google Search for Parsonsite John Betts Fine Minerals Search for Parsonsite McDougall Minerals Google Search for Parsonsite Mineral News Website Link Rock and Mineral Shows Google Search for Parsonsite Weinrich Minerals, Inc. Google Search for Parsonsite Ask about Parsonsite here : Print or Cut-and-Paste your Parsonsite Specimen Label here :
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