IMA2009-008 Mineral Data

General IMA2009-008 Information

Chemical Formula:

Y2[(UO2)8O6(SO4)4(OH)2]•26H2O

Composition:

Molecular Weight = 3,320.70 gm

Yttrium 5.35 % Y 6.80 % Y₂O₃

Uranium 57.34 % U 65.05 % UO₂

Hydrogen 1.64 % H 14.65 % H₂O

Sulfur 3.86 % S 9.64 % SO₃

Oxygen 31.80 % O

______ ______

100.00 % 96.15 % = TOTAL OXIDE

Empirical Formula:

Y₂(UO₂)₈O₆(SO₄)₄(OH)₂•26(H₂O)

Environment:

Zippeite group.

IMA Status:

Proposed IMA 2009

Locality:

Cervená vein, Rovnost shaft, Jáchymov, western Bohemia, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2009-008 Crystallography

Axial Ratios:

a:b:c =0.9734:1:1.054

Cell Dimensions:

a = 13.949, b = 14.329, c = 15.104, Z = 2; alpha = 107.44°, beta = 95.751°, gamma = 102.515° V = 2,797.55 Den(Calc)= 3.94

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 9.28(1), 3.451(0.8), 3.094(0.8),3.385(0.7), 3.059(0.7), 14.12(0.5), 4.64(0.41), 3.293(0.13),

Optical Properties of IMA2009-008

Optical Data:

NCalc= 1.57 - from Gladstone-Dale relationship (KC = 0.1435) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2009-008

Electron Density:

Bulk Density (Electron Density)=3.51 gm/cc
note: Specific Gravity of IMA2009-008 =3.99 gm/cc.

Fermion Index:

Fermion Index = 0.0045735803
Boson Index = 0.9954264197

Photoelectric:

PE_IMA2009-008=1,486.99 barns/electron
U=PE_IMA2009-008 x r_electron=5,217.16 barns/cc.

Radioactivity:

GRapi = 4,298,114.77 (Gamma Ray American Petroleum Institute Units)
Concentration of IMA2009-008 per GRapi unit = 232.66 (PPB)

IMA2009-008 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) 7.08 ± 1.77 grams of pure IMA2009-008 .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 707.67 ±176.92 grams of pure IMA2009-008 .

**Estimated Radioactivity from IMA2009-008** - 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 / 7.82 cm	102,646,366	2.77E-03	4,298,114.77	1,413.08
100 gm / 3.63 cm	10,264,637	2.77E-04	429,811.48	141.31
10 gm / 1.69 cm	1,026,464	2.77E-05	42,981.15	14.13
1 gm / 7.82 mm	102,646	2.77E-06	4,298.11	1.41
0.1 gm / 3.63 mm	10,265	2.77E-07	429.81	0.14
0.01 gm / 1.69 mm	1,026	2.77E-08	42.98	0.01
0.001 gm / 0.78 mm	103	2.77E-09	4.30	0.00

Weight of pure IMA2009-008 in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.99 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

IMA2009-008 Classification

Dana Class:

31.10.04.09 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.10)miscellaneous

(31.10.04)Zippeite Group

31.10.04.01 Zippeite K4(UO2)6(SO4)3(OH)10•4(H2O) C 2/m 2/m

31.10.04.02 Natrozippeite Na4(UO2)6(SO4)3(OH)10•4(H2O) Unk Ortho

31.10.04.03 Magnesiozippeite Mg(H2O)3.5(UO2)2(SO4)O2 C 2/m 2/m

31.10.04.04 Nickelzippeite Ni2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho

31.10.04.05 Zinc-zippeite Zn2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho

31.10.04.06 Cobaltzippeite Co2(UO2)6(SO4)3(OH)10•16(H2O) Unk Ortho

31.10.04.07 Marecottite! Mg3(H2O)18[(UO2)4O3(SO4)2]2•10(H2O) P1 1

31.10.04.08 Pseudojohannite! Cu6.5[(UO2)4O4(SO4)2]2(OH)5•25H2O P1 or P1 Tri

31.10.04.09 IMA2009-008 Y2[(UO2)8O6(SO4)4(OH)2]•26H2O P1 1

Strunz Class:

07.XX.00 07 - SULFATES (SELENATES, TELLURATES)

07.X - Unclassified Strunz SULFATES (SELENATES, TELLURATES)

07.XX -Unknown

07.XX.00 Blakeite Fe2(TeO3)3 Cubic ? Cubic

07.XX.00 Aiolosite! Na4Bi(SO4)3Cl P 6₃/m 6/m

07.XX.00 Steverustite Pb5(OH)5[Cu(SO3S--)3](H2O)1.67 P 2₁/n 2/m

07.XX.00 Adranosite (NH4)4NaAl2(SO4)4Cl(OH)2 I 4₁/acd 4mm

07.XX.00 Grandviewite! Cu3Al9(SO4)2(OH)29 P 2, Pm or P 2/m Mono

07.XX.00 IMA2009-008 Y2[(UO2)8O6(SO4)4(OH)2]•26H2O P1 1

Other IMA2009-008 Information

See Also:

Links to other databases for IMA2009-008 :
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 IMA2009-008 Specimen Label here :

IMA2009-008

Y2[(UO2)8O6(SO4)4(OH)2]•26H2O
Dana No: 31.10.04.09 Strunz No: 07.XX.00
Locality:

Notes: