Meta-uranospinite Mineral Data

Meta-uranospinite Mineral Data

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General Meta-uranospinite Information

Chemical Formula:

Ca(UO2)2(AsO4)2·8(H2O)

Composition:

Molecular Weight = 1,002.09 gm

Calcium 4.00 % Ca 5.60 % CaO

Uranium 47.51 % U 53.89 % UO₂

Arsenic 14.95 % As 22.94 % As₂O₅

Hydrogen 1.61 % H 14.38 % H₂O

Oxygen 31.93 % O

______ ______

100.00 % 96.81 % = TOTAL OXIDE

Empirical Formula:

Ca(UO₂)₂(AsO₄)₂·8(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1957

Locality:

Link to MinDat.org Location Data.

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Meta-uranospinite Crystallography

Axial Ratios:

a:c = 1:2.38095

Cell Dimensions:

a = 7.14, c = 17, Z = 2; V = 866.65 Den(Calc)= 3.84

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/nmm

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

By Intensity(I/I_o): 3.57(1), 8.65(1), 3.31(0.9),

Physical Properties of Meta-uranospinite

Color:

Yellow, Siskin green.

Diaphaniety:

Transparent to Translucent

Hardness:

2-3 - Gypsum-Calcite

Luster:

Pearly

Optical Properties of Meta-uranospinite

Gladstone-Dale:

CI calc= -0.048 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1589,KC= 0.1517

Optical Data:

Biaxial (-), a=1.591, b=1.619, g=1.621, bire=0.0300, 2V(Calc)=28, 2V(Meas)=0-5.

Calculated Properties of Meta-uranospinite

Electron Density:

r_electron=3.42 gm/cc
note: r_{Meta-uranospinite}=3.84 gm/cc.

Fermion Index

Fermion Index = 0.00363
Boson Index = 0.99637

Photoelectric:

PE_{Meta-uranospinite}=1,222.30 barns/electron
U=PE_{Meta-uranospinite} x r_electron=4,177.96 barns/cc.

Radioactivity:

GRapi = 3,604,467.19 (Gamma Ray American Petroleum Institute Units)

Meta-uranospinite 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) 8.44 ± 2.11 grams of pure Meta-uranospinite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 843.86 ±210.97 grams of pure Meta-uranospinite .

**Estimated Radioactivity from Meta-uranospinite** - 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 / 7.92 cm	85,036,259	2.30E-03	3,604,467.19	1,185.03
100 gm / 3.68 cm	8,503,626	2.30E-04	360,446.72	118.50
10 gm / 1.71 cm	850,363	2.30E-05	36,044.67	11.85
1 gm / 7.92 mm	85,036	2.30E-06	3,604.47	1.19
0.1 gm / 3.68 mm	8,504	2.30E-07	360.45	0.12
0.01 gm / 1.71 mm	850	2.30E-08	36.04	0.01
0.001 gm / 0.79 mm	85	2.30E-09	3.60	0.00

Weight of pure Meta-uranospinite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.84 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

Meta-uranospinite Classification

Dana Class:

40.2a.2.2 (40)Hydrated Phosphates, etc

(40.2a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++

(40.2a.2)Dana Group

40.2a.2.1 Uranospinite Ca(UO2)2(AsO4)2·10(H2O) I 4/mmm 4/m 2/m 2/m

40.2a.2.2 Meta-uranospinite Ca(UO2)2(AsO4)2·8(H2O) P 4/nmm 4/m 2/m 2/m

Strunz Class:

VII/E.02-100 VII - Phosphates, Arsenates and Vanadates

VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-

VII/E.02 - Meta-autunite group

VII/E.02-10 Metanovacekite Mg(UO2)2(AsO4)2·4-8(H2O) P 4/n 4/m

VII/E.02-20 Bassetite Fe(UO2)2(PO4)2·8(H2O) P 2₁/m 2/m

VII/E.02-30 Metakahlerite Fe(UO2)2(AsO4)2·8(H2O) P 4/mmm 4/m 2/m 2/m

VII/E.02-40 Lehnerite Mn[UO2/PO4]2·8(H2O) P 2₁/n 2/m

VII/E.02-50 Metakirchheimerite Co(UO2)2(AsO4)2·8(H2O) P 4/mmm 4/m 2/m 2/m

VII/E.02-60 Metatorbernite Cu(UO2)2(PO4)2·8(H2O) P 4/n 4/m

VII/E.02-70 Metazeunerite Cu(UO2)2(AsO4)2·8(H2O) P 4/n 4/m

VII/E.02-80 Metalodevite Zn(UO2)2(AsO4)2·10(H2O) P 4₁/m 4/m

VII/E.02-90 Meta-autunite Ca(UO2)2(PO4)2·2-6(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-95 Sodium meta-autunite! Na2(UO2)2(PO4)2·6-8(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-100 Meta-uranospinite Ca(UO2)2(AsO4)2·8(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-110 Meta-uranocircite Ba(UO2)2(PO4)2·6-8(H2O) P 2₁ 2

VII/E.02-120 Metaheinrichite Ba(UO2)2(AsO4)2·8(H2O) P 4₁/? 4/m

VII/E.02-130 Sodium-uranospinite (Na2,Ca)(UO2)2(AsO4)2·5(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-140 Meta-ankoleite K2(UO2)2(PO4)2·6(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-150 Abernathyite K(UO2)(AsO4)·4(H2O) P 4/ncc 4/m 2/m 2/m

VII/E.02-160 Uramphite (NH4)(UO2)(PO4)·3(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-170 Chernikovite (H3O)2(UO2)2(PO4)2·6(H2O) P 4/nmm 4/m 2/m 2/m

VII/E.02-180 Pseudo-autunite* (H3O)4Ca2(UO2)2(PO4)4·5(H2O)(?) Unk Ortho

VII/E.02-190 Ulrichite CaCu(UO2)(PO4)2·4(H2O) C 2/m 2/m

Other Meta-uranospinite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Meta-uranospinite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - Uranium Minerals 12 -École des Mines de Paris

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Print or Cut-and-Paste your Meta-uranospinite Specimen Label here :

Meta-uranospinite

Ca(UO2)2(AsO4)2·8(H2O)
Dana No: 40.2a.2.2 Strunz No: VII/E.02-100
Locality:

Notes: