Metauranopilite Mineral Data

General Metauranopilite Information

Chemical Formula:

(UO2)6(SO4)(OH)10•5(H2O)

Composition:

Molecular Weight = 1,976.38 gm

Uranium 72.26 % U 81.98 % UO₂

Hydrogen 1.02 % H 9.12 % H₂O

Sulfur 1.62 % S 4.05 % SO₃

Oxygen 25.10 % O

______ ______

100.00 % 95.14 % = TOTAL OXIDE

Empirical Formula:

(UO₂)₆(SO₄)(OH)₁₀•5(H₂O)

Environment:

Alteration product of uranopilite.

IMA Status:

Valid Species (Pre-IMA) 1952

Locality:

Jachymov, Bohemia, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named as the lower hydrate of uranopilite.

Synonym:

Meta-uranopilite - Renamed as Metauranopilite by Mineralogical Record, v330 (2008), p131

Metauranopilite Image

Images:

Metauranopilite

Comments: Orange-brown aggregates of metauranopilite with yellow green johannite on matrix. Unless sealed in glass, all uranopilite specimens should be considered to have become metauranopilite within a few months of being exposed to ambient air.
Location: Apex Mine, Lander Co., Nevada, USA. Scale: See Image.
© Paul M. Schumacher

Metauranopilite Crystallography

Crystal System:

OrthorhombicSpace Group: Unk

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

By Intensity(I/I_o): 3.57(1), 8.65(1), 3.31(0.9),5.53(0.8), 3(0.5), 3.67(0.4), 4.36(0.4), 5.08(0.4),

Physical Properties of Metauranopilite

Color:

Gray, Grayish green, Brownish, Yellow.

Habit:

Acicular - Occurs as needle-like crystals.

Habit:

Tabular - Form dimensions are thin in one direction.

Luminescence:

Fluorescent, Short UV=yellow green.

Optical Properties of Metauranopilite

Optical Data:

Biaxial (-), a=1.72, b=1.76, g=1.76, bire=0.0400

Calculated Properties of Metauranopilite

Fermion Index:

Fermion Index = 0.005446544
Boson Index = 0.994553456

Photoelectric:

PE_{Metauranopilite}=1,938.04 barns/electron
U=PE_{Metauranopilite} x r_electron= . barns/cc.

Radioactivity:

GRapi = 5,210,869.84 (Gamma Ray American Petroleum Institute Units)
Concentration of Metauranopilite per GRapi unit = 191.91 (PPB)

Metauranopilite 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) 5.84 ± 1.46 grams of pure Metauranopilite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 583.72 ±145.93 grams of pure Metauranopilite .

**Estimated Radioactivity from Metauranopilite** - 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	129,349,159	3.50E-03	5,210,869.84	1,713.16
100 gm	12,934,916	3.50E-04	521,086.98	171.32
10 gm	1,293,492	3.50E-05	52,108.70	17.13
1 gm	129,349	3.50E-06	5,210.87	1.71
0.1 gm	12,935	3.50E-07	521.09	0.17
0.01 gm	1,293	3.50E-08	52.11	0.02
0.001 gm	129	3.50E-09	5.21	0.00

Weight of pure Metauranopilite 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

Metauranopilite Classification

Dana Class:

31.02.07.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.02)where (A+ B++)6 (XO4) Zq·x(H2O)

(31.02.07)Dana Group

31.02.07.01 Metauranopilite (UO2)6(SO4)(OH)10•5(H2O) Unk Ortho

Strunz Class:

07.EA.05 07 - SULFATES (SELENATES, TELLURATES)

07.E - Uranyl Sulfates

07.EA -Without cations

07.EA.05 Metauranopilite (UO2)6(SO4)(OH)10•5(H2O) Unk Ortho

07.EA.05 Uranopilite [(UO2)6(SO4)O2(OH)6(H2O)6]•8(H2O) P1 1

Other Metauranopilite 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 Metauranopilite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Ask about Metauranopilite 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 Español

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

Metauranopilite

(UO2)6(SO4)(OH)10•5(H2O)
Dana No: 31.02.07.01 Strunz No: 07.EA.05
Locality:

Notes: