Sodium-uranospinite Mineral Data

Sodium-uranospinite Mineral Data

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General Sodium-uranospinite Information

Chemical Formula:

(Na2,Ca)(UO2)2(AsO4)2·5(H2O)

Composition:

Molecular Weight = 952.47 gm

Sodium 3.62 % Na 4.88 % Na₂O

Calcium 1.05 % Ca 1.47 % CaO

Uranium 49.98 % U 56.70 % UO₂

Arsenic 15.73 % As 24.13 % As₂O₅

Hydrogen 1.06 % H 9.46 % H₂O

Oxygen 28.56 % O

______ ______

100.00 % 96.64 % = TOTAL OXIDE

Empirical Formula:

Na_1.5Ca_0.25(UO₂)₂(AsO₄)₂·5(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1953

Locality:

Link to MinDat.org Location Data.

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Sodium-uranospinite Crystallography

Axial Ratios:

a:c = 1:1.20926

Cell Dimensions:

a = 7.12, c = 8.61, Z = 1; V = 436.48 Den(Calc)= 3.62

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): 8.42(1), 3.63(0.9), 3.27(0.8),

Physical Properties of Sodium-uranospinite

Color:

Green, Lemon yellow, Straw yellow.

Density:

3.846

Diaphaniety:

Transparent to Translucent

Hardness:

2.5 - Finger Nail

Luster:

Vitreous - Pearly

Optical Properties of Sodium-uranospinite

Gladstone-Dale:

CI meas= -0.109 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.178 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1653,KPDmeas= 0.1556,KC= 0.1403

Optical Data:

Uniaxial (-), e=1.585, w=1.612, bire=0.0270.

Calculated Properties of Sodium-uranospinite

Electron Density:

r_electron=3.37 gm/cc
note: r_{Sodium-uranospinite}=3.85 gm/cc.

Fermion Index

Fermion Index = 0.00375
Boson Index = 0.99625

Photoelectric:

PE_{Sodium-uranospinite}=1,305.33 barns/electron
U=PE_{Sodium-uranospinite} x r_electron=4,401.12 barns/cc.

Radioactivity:

GRapi = 3,734,849.48 (Gamma Ray American Petroleum Institute Units)

Sodium-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) 8.14 ± 2.04 grams of pure Sodium-uranospinite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 814.40 ±203.60 grams of pure Sodium-uranospinite .

**Estimated Radioactivity from Sodium-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	89,466,276	2.42E-03	3,734,849.48	1,227.90
100 gm / 3.68 cm	8,946,628	2.42E-04	373,484.95	122.79
10 gm / 1.71 cm	894,663	2.42E-05	37,348.49	12.28
1 gm / 7.92 mm	89,466	2.42E-06	3,734.85	1.23
0.1 gm / 3.68 mm	8,947	2.42E-07	373.48	0.12
0.01 gm / 1.71 mm	895	2.42E-08	37.35	0.01
0.001 gm / 0.79 mm	89	2.42E-09	3.73	0.00

Weight of pure Sodium-uranospinite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.85 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

Sodium-uranospinite Classification

Dana Class:

40.2a.6.1 (40)Hydrated Phosphates, etc

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

(40.2a.6)Dana Group

40.2a.6.1 Sodium-uranospinite (Na2,Ca)(UO2)2(AsO4)2·5(H2O) P 4/nmm 4/m 2/m 2/m

Strunz Class:

VII/E.02-130 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 Sodium-uranospinite Information

References:

PHYS. PROP.(Larousse des Mineraux,1981) OPTIC PROP.(Larousse des Mineraux,1981)

See Also:

Links to other databases for Sodium-uranospinite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Sodium-uranospinite

(Na2,Ca)(UO2)2(AsO4)2·5(H2O)
Dana No: 40.2a.6.1 Strunz No: VII/E.02-130
Locality:

Notes: