IMA2008-022 Mineral Data

General IMA2008-022 Information

Chemical Formula:

UO2(OH)2

Composition:

Molecular Weight = 304.04 gm

Uranium 78.29 % U 88.81 % UO₂

Hydrogen 0.66 % H 5.93 % H₂O

Oxygen 21.05 % O

______ ______

100.00 % 94.74 % = TOTAL OXIDE

Empirical Formula:

(UO₂)(OH)₂

Environment:

Uranyl hydroxide

IMA Status:

Proposed IMA 2008

Locality:

Radium Ridge near Mt Painter, near Arkaroola, Northern Flinders Ranges, South Australia Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2008-022 Crystallography

Axial Ratios:

a:b:c =0.4184:1:0.671

Cell Dimensions:

a = 4.281, b = 10.23, c = 6.865, beta = 90.35° V = 300.64

Crystal System:

MonoclinicSpace Group: pseudo-orthorhombic

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.424(1), 5.085(0.64), 3.405(0.27),1.9737(0.23), 2.483(0.23), 2.848(0.18), 1.9854(0.13), 1.782(0.09),

Optical Properties of IMA2008-022

Optical Data:

Calculated Properties of IMA2008-022

Fermion Index:

Fermion Index = 0.0057387701
Boson Index = 0.9942612299

Photoelectric:

PE_IMA2008-022=2,142.97 barns/electron
U=PE_IMA2008-022 x r_electron= . barns/cc.

Radioactivity:

GRapi = 5,530,898.91 (Gamma Ray American Petroleum Institute Units)
Concentration of IMA2008-022 per GRapi unit = 180.80 (PPB)

IMA2008-022 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) 5.50 ± 1.37 grams of pure IMA2008-022 .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 549.94 ±137.49 grams of pure IMA2008-022 .

**Estimated Radioactivity from IMA2008-022** - 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	140,135,639	3.79E-03	5,530,898.91	1,818.38
100 gm	14,013,564	3.79E-04	553,089.89	181.84
10 gm	1,401,356	3.79E-05	55,308.99	18.18
1 gm	140,136	3.79E-06	5,530.90	1.82
0.1 gm	14,014	3.79E-07	553.09	0.18
0.01 gm	1,401	3.79E-08	55.31	0.02
0.001 gm	140	3.79E-09	5.53	0.00

Weight of pure IMA2008-022 in grams (gm).*
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

IMA2008-022 Classification

Dana Class:

04.00.00.00 (04)Oxide Minerals

(04.00)Without Dana Classification Numbers

(04.00.00)Hydroxide

04.00.00.00 Ashanite? (Nb,Ta,U,Fe,Mn)4O8 Pcan 2/m 2/m 2/m

04.00.00.00 Chubutite* Pb7O6Cl2 Unk Ortho

04.00.00.00 Clinobirnessite* Na4Mn14O27•9(H2O) Mono

04.00.00.00 Donathite? (Fe,Mg)(Cr,Fe)2O4 P 4/nnm 4/m 2/m 2/m

04.00.00.00 IMA2008-022 UO2(OH)2 pseudo-orthorhombic Mono

04.00.00.00 Krasnogorite* WO3 Pmnb 2/m 2/m 2/m

04.00.00.00 Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho

04.00.00.00 Romanite* (Fe,U,Pb)2(Ti,Fe)O4 Trig ? Trig

04.00.00.00 Tantalowodginite* (Mn2,[])4Ta4Ta8O32 C 2/c 2/m

04.00.00.00 Ungursaite* NaCa5(Ta,Nb)24O65(OH) P 6₃/m,P 6₃ Hex

04.00.00.00 Wolframoixiolite* (Fe,Mn,Nb)(Nb,W,Ta)O4 Pc m

Strunz Class:

04.GA. 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. IMA2008-022 UO2(OH)2 pseudo-orthorhombic Mono

Other IMA2008-022 Information

See Also:

Links to other databases for IMA2008-022 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Print or Cut-and-Paste your IMA2008-022 Specimen Label here :

IMA2008-022

UO2(OH)2
Dana No: 04.00.00.00 Strunz No: 04.GA.
Locality:

Notes: