Paraschoepite  Mineral Data

Paraschoepite Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment

[Minerals for Sale] [New Minerals] [Diamond Crystals] [Gem Minerals] [My Best Minerals]
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Paraschoepite Information

Help on Chemical  Formula: Chemical Formula: UO3•2(H2O) (?)
Help on Composition: Composition: Molecular Weight = 322.06 gm
   Uranium   73.91 %  U    88.81 % UO3
   Hydrogen   1.25 %  H    11.19 % H2O
   Oxygen    24.84 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: UO3•2(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1947
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as a polymorph of schoepite.
Help on Name Pronunciation: Name Pronunciation: Paraschoepite Say PARASCHOEPITE
 

Search for Paraschoepite Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

  

Paraschoepite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8389:1:0.9043
Help on Cell Dimensions: Cell Dimensions: a = 14.12, b = 16.83, c = 15.22, Z = 32; V = 3,616.87 Den(Calc)= 4.73
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca
 

Physical Properties of Paraschoepite

Help on Cleavage: Cleavage: {001} Perfect, {010} Distinct
Help on Color: Color: Yellow.
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2-3 - Gypsum-Calcite
Help on Streak: Streak: light yellow
 

Optical Properties of Paraschoepite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.095 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1564,KC= 0.1428
Ncalc = 1.68
Help on Optical Data: Optical Data: Biaxial (?), a=1.7, b=1.75, g=1.77, bire=0.0700, 2V(Calc)=62, 2V(Meas)=40.
 

Calculated Properties of Paraschoepite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.99 gm/cc
note: Specific Gravity of Paraschoepite =4.73 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0054425391
Boson Index = 0.9945574609
Help on Photoelectric: Photoelectric: PEParaschoepite =1,985.43 barns/electron
U=PEParaschoepite x relectron=7,931.41 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 5,320,654.55 (Gamma Ray American Petroleum Institute Units)
Concentration of Paraschoepite per GRapi unit = 187.95 (PPB)

Paraschoepite 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) 5.72 ± 1.43 grams of pure Paraschoepite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 571.67 ±142.92 grams of pure Paraschoepite .

Estimated Radioactivity from Paraschoepite - very strong
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Becquerels
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.39 cm 132,296,723 3.58E-03 5,320,654.55 1,749.26
100 gm / 3.43 cm 13,229,672 3.58E-04 532,065.46 174.93
10 gm / 1.59 cm 1,322,967 3.58E-05 53,206.55 17.49
1 gm / 7.39 mm 132,297 3.58E-06 5,320.65 1.75
0.1 gm / 3.43 mm 13,230 3.58E-07 532.07 0.17
0.01 gm / 1.59 mm 1,323 3.58E-08 53.21 0.02
0.001 gm / 0.74 mm 132 3.58E-09 5.32 0.00

Weight of pure Paraschoepite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.73 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Paraschoepite Classification

Help on  Dana Class: Dana Class: 05.02.01.02 (05)Oxides Containing Uranium and Thorium
  (05.02)with a cation charge of 6+ (AO3) and hydrated
  (05.02.01)Schoepite Group
 
05.02.01.01 Metaschoepite UO3•n(H2O)(n<2) Pbna 2/m 2/m 2/m
 
05.02.01.02 Paraschoepite UO3•2(H2O)(?) P bca 2/m 2/m 2/m
 
05.02.01.03 Schoepite (UO2)8O2(OH)12•12(H2O) P 21ca mm2
Help on  Strunz Class: Strunz Class: 04.GA.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.G - Uranyl Hydroxides
  04.GA -Without additional cations
 
04.GA.05 Metaschoepite UO3•n(H2O)(n<2) Pbna 2/m 2/m 2/m
 
04.GA.05 Paraschoepite UO3•2(H2O)(?) P bca 2/m 2/m 2/m
 
04.GA.05 Schoepite (UO2)8O2(OH)12•12(H2O) P 21ca mm2
 

Other Paraschoepite Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Paraschoepite :
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 Paraschoepite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Paraschoepite :

A Bijoux Google Search for Paraschoepite
Adam's Minerals Google Search for Paraschoepite
Cape Minerals Google Search for Paraschoepite
Dakota Matrix Minerals Google Search for Paraschoepite
Excalibur Mineral Corp. Google Search for Paraschoepite
Exceptional Minerals Google Search for Paraschoepite
John Betts Fine Minerals Search for Paraschoepite
McDougall Minerals Google Search for Paraschoepite
Mineral News Website Link
Rock and Mineral Shows Google Search for Paraschoepite
Weinrich Minerals, Inc. Google Search for Paraschoepite

Ask about Paraschoepite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Paraschoepite Specimen Label here :

Paraschoepite

UO3•2(H2O) (?)
Dana No: 05.02.01.02 Strunz No: 04.GA.05
Locality:

 

Notes: