Uranospathite Mineral Data

Uranospathite Mineral Data
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General Uranospathite Information

Help on Chemical Formula: Chemical Formula: Al1-x[ ]x[(UO2)(PO4)]2(H2O)20+3xF1-3x
Help on Composition: Composition: Molecular Weight = 1,130.30 gm
   Uranium     42.12 %  U    47.78 % UO2
   Aluminum     1.91 %  Al    3.61 % Al2O3
   Phosphorus   5.48 %  P    12.56 % P2O5
   Hydrogen     3.67 %  H    32.83 % H2O
   Oxygen      46.15 %  O
   Fluorine     0.67 %  F     0.67 % F
                 -   %   F    -0.28 % -O=F2    
              ______        ______ 
              100.00 %       97.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al0.82(UO2)2(PO4)(H2O)20.6(F)0.4
Help on Environment: Environment: Looses water in non-humid conditions to become sabugalite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1915
Help on Locality: Locality: Basset mine, Redruth, Cornwall, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and the Greek for "broad blade" in allusion to the crystal habit.
Help on Name Pronunciation: Name Pronunciation: Uranospathite + Pronunciation Say URANOSPATHITE
 

Uranospathite Image

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Uranospathite

Comments: Minute, less than 0.1cm platy yellow crystals or uranospahtite on matrix.
Location: Pedro Alvaro, Salamanca, Spain. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Uranospathite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =4.2834:1:1.0058
Help on Cell Dimensions: Cell Dimensions: a = 30.02, b = 7.0084, c = 7.0492, Z = 2; V = 1,483.10 Den(Calc)= 2.53
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pnn2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.93(1), 7.6(1), 15.22(1),
Click Here for Large Uranospathite Structure Window Crystal Structure:

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Locock A J , Kinman W S , Burns P C , The Canadian Mineralogist , 43 (2005) p.989-1003, The structure and composition of uranospathite,, Al1-xVacancyx[(UO2)(PO4)]2(H2O)20+3xF1-3x, x = 0 - 0.33,, a non-centrosymmetric flourine-bearing mineral of the autunite group,, and of a related synthetic lower hydrate,, Al0.67Vacancy0.33[(UO2)(PO4)]2(H2O)15.5, Locality: Venachat, Haute-Vienne, France

 

Physical Properties of Uranospathite

Help on Cleavage: Cleavage: {001} Perfect, {100} Good, {010} Indistinct
Help on Color: Color: Bluish green, Yellow, Light green.
Help on Density: Density: 2.5
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luminescence: Luminescence: Fluorescent, Long UV=yellow green.
Help on Streak: Streak: yellow white
 

Optical Properties of Uranospathite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.068 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.056 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2008,KPDmeas= 0.2032,KC= 0.1902
Ncalc = 1.48
Help on Optical Data: Optical Data: Biaxial (-), a=1.492, b=1.511, g=1.521, bire=0.0290, 2V(Calc)=70, 2V(Meas)=69.
 

Calculated Properties of Uranospathite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.37 gm/cc
note: Specific Gravity of Uranospathite =2.53 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0032594993
Boson Index = 0.9967405007
Help on Photoelectric: Photoelectric: PEUranospathite =1,019.39 barns/electron
U=PEUranospathite x relectron=2,418.64 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,366,772.45 (Gamma Ray American Petroleum Institute Units)
Concentration of Uranospathite per GRapi unit = 297.02 (PPB)

Uranospathite 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) 9.03 ± 2.26 grams of pure Uranospathite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 903.44 ±225.86 grams of pure Uranospathite .

Estimated Radioactivity from Uranospathite - 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 / 9.11 cm 75,391,078 2.04E-03 3,366,772.45 1,106.88
100 gm / 4.23 cm 7,539,108 2.04E-04 336,677.24 110.69
10 gm / 1.96 cm 753,911 2.04E-05 33,667.72 11.07
1 gm / 9.11 mm 75,391 2.04E-06 3,366.77 1.11
0.1 gm / 4.23 mm 7,539 2.04E-07 336.68 0.11
0.01 gm / 1.96 mm 754 2.04E-08 33.67 0.01
0.001 gm / 0.91 mm 75 2.04E-09 3.37 0.00

Weight of pure Uranospathite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.53 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
 

Uranospathite Classification
Help on Dana Class: Dana Class: 40.02a.22.01 (40)Hydrated Phosphates, etc
  (40.02a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++
  (40.02a.22)Dana Group
 
40.02a.22.01 Uranospathite Al1-x[]x[(UO2)(PO4)]2(H2O)203xF1-3x Pnn2 mm2
Help on Strunz Class: Strunz Class: 08.EB.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.E - Uranyl Phosphates and Arsenates
  08.EB -UO2:RO4 = 1:1
 
08.EB.25 Arsenuranospathite HAl(UO2)4(AsO4)4•40(H2O) P 41/n 4/m
 
08.EB.25 Uranospathite Al1-x[]x[(UO2)(PO4)]2(H2O)203xF1-3x Pnn2 mm2
 

Other Uranospathite Information
Help on References: References: NAME( Dana8) 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 Uranospathite :
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

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

Uranospathite

Al1-x[ ]x[(UO2)(PO4)]2(H2O)20+3xF1-3x
Dana No: 40.02a.22.01 Strunz No: 08.EB.25
Locality:

 

Notes: