Uranospathite Mineral Data
General Uranospathite Information
Chemical Formula:
Al1-x[ ]x[(UO2)(PO4)]2(H2O)20+3xF1-3x
Composition:
Molecular Weight = 1,130.30 gm
Uranium 42.12 % U 47.78 % UO2
Aluminum 1.91 % Al 3.61 % Al2 O3
Phosphorus 5.48 % P 12.56 % P2 O5
Hydrogen 3.67 % H 32.83 % H2 O
Oxygen 46.15 % O
Fluorine 0.67 % F 0.67 % F
- %
F -0.28 % -O=F2
______ ______
100.00 % 97.17 % = TOTAL OXIDE
Empirical Formula:
Al0.8 2(UO2 )2(PO4 )(H2 O)20.6 (F)0.4
Environment:
Looses water in non-humid conditions to become sabugalite.
IMA Status:
Valid Species (Pre-IMA) 1915
Locality:
Basset mine, Redruth, Cornwall, England. Link to MinDat.org Location Data.
Name Origin:
Named for the composition and the Greek for "broad blade" in allusion to the crystal habit.
Name Pronunciation:
Uranospathite + Pronunciation
Uranospathite Image
Images:
Uranospathite Crystallography
Axial Ratios:
a:b:c =4.2834:1:1.0058
Cell Dimensions:
a = 30.02, b = 7.0084, c = 7.0492, Z = 2; V = 1,483.10 Den(Calc)= 2.53
Crystal System:
Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Pnn2
X Ray Diffraction:
By Intensity(I/Io ): 4.93(1), 7.6(1), 15.22(1),
Physical Properties of Uranospathite
Cleavage:
{001} Perfect, {100} Good, {010} Indistinct
Color:
Bluish green, Yellow, Light green.
Density:
2.5
Habit:
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Hardness:
2.5 - Finger Nail
Luminescence:
Fluorescent, Long UV=yellow green.
Streak:
yellow white
Optical Properties of Uranospathite
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
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
Electron Density:
Bulk Density (Electron Density)=2.37 gm/cc note: Specific Gravity of Uranospathite =2.53 gm/cc.
Fermion Index:
Fermion Index = 0.0032594993 Boson Index = 0.9967405007
Photoelectric:
PEUranospathite =1,019.39 barns/electronU=PEUranospathite x r electron =2,418.64 barns/cc.
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 Bequerols (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
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
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
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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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Uranospathite
Al1-x[ ]x[(UO2)(PO4)]2(H2O)20+3xF1-3x
Dana No: 40.02a.22.01 Strunz No: 08.EB.25
Locality:
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