Deliensite Mineral Data

Deliensite Mineral Data +

General Deliensite Information

Chemical Formula:

Fe++(UO2)2(SO4)2(OH)2·3(H2O)

Composition:

Molecular Weight = 876.09 gm

Uranium 54.34 % U 61.64 % UO₂

Iron 6.37 % Fe 8.20 % FeO

Hydrogen 0.92 % H 8.23 % H₂O

Sulfur 7.32 % S 18.28 % SO₃

Oxygen 31.05 % O

______ ______

100.00 % 96.35 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺(UO₂)₂(SO₄)₂(OH)₂·3(H₂O)

Environment:

Oxidized zone of an uranium deposit.

IMA Status:

Approved IMA 1997 (Dana # Added)

Locality:

Mas D'Alary, Lodeve, Herault, France. Link to MinDat.org Location Data.

Name Origin:

For Dr. Michel Deliens (1939-), Royal Belgian Institute of Natural Sciences, Brussels, in recognition oh his research on uranium bearing minerals.

Synonym:

IMA1996-013

Deliensite Image

Images:

Deliensite

Comments: Specimen is covered with abundant micro crystals of deliensite.
Location: Mas d'Alary Village, Le Bosc Lodeve, Herault, France. Scale: Not Given.
© John Veevaert

Deliensite Crystallography

Axial Ratios:

a:b:c =0.9775:1:0.4241

Cell Dimensions:

a = 15.908, b = 16.274, c = 6.903, Z = 4; V = 1,787.10 Den(Calc)= 3.26

Crystal System:

OrthorhombicSpace Group: Pnnm or Pnn2

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

By Intensity(I/I_o): 5.9(1), 7.95(0.81), 3.941(0.71),

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Physical Properties of Deliensite

Cleavage:

[100] Perfect

Color:

Yellow, White, Grayish.

Density:

3.268

Diaphaniety:

Transparent to translucent

Fracture:

Weak - Hard to handle without causing serious harm or damage.

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Spherical - Spherical, rounded aggregates.

Hardness:

2 - Gypsum

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Deliensite

Gladstone-Dale:

CI meas= -0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.038 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1425,KPDmeas= 0.1422,KC= 0.1374

Optical Data:

Biaxial (-), a=1.432, b=1.47, g=1.492, bire=0.0600, 2V(Calc)=72, 2V(Meas)=73. Dispersion weak, r > v.

Calculated Properties of Deliensite

Electron Density:

r_electron=2.88 gm/cc
note: r_Deliensite=3.27 gm/cc.

Fermion Index

Fermion Index = 0.00596
Boson Index = 0.99404

Photoelectric:

PE_Deliensite=1,401.66 barns/electron
U=PE_Deliensite x r_electron=4,036.39 barns/cc.

Radioactivity:

GRapi = 4,081,435.77 (Gamma Ray American Petroleum Institute Units)

Deliensite 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) 7.45 ± 1.86 grams of pure Deliensite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 745.24 ±186.31 grams of pure Deliensite .

**Estimated Radioactivity from Deliensite** - 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 / 8.36 cm	97,266,631	2.63E-03	4,081,435.77	1,341.84
100 gm / 3.88 cm	9,726,663	2.63E-04	408,143.58	134.18
10 gm / 1.80 cm	972,666	2.63E-05	40,814.36	13.42
1 gm / 8.36 mm	97,267	2.63E-06	4,081.44	1.34
0.1 gm / 3.88 mm	9,727	2.63E-07	408.14	0.13
0.01 gm / 1.80 mm	973	2.63E-08	40.81	0.01
0.001 gm / 0.84 mm	97	2.63E-09	4.08	0.00

Weight of pure Deliensite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.27 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

Deliensite Classification

Dana Class:

31.8.2.2 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.8)where (A+ B++)3 (XO4)2 Zq·x(H2O)

(31.8.2)Dana Group

31.8.2.1 Johannite Cu(UO2)2(SO4)2(OH)2·8(H2O) P1 1

31.8.2.2 Deliensite ! Fe(UO2)2(SO4)2(OH)2·3(H2O) Pnnm or Pnn2 Ortho

Strunz Class:

VI/D.20-85 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/D - Uranylsulfates [UO2]4+ - [SO4]2-

VI/D.20 - Uranopilite - Rabejacite series

VI/D.20-05 Jachymovite! (UO2)8(SO4)(OH)14·13(H2O) P 2₁,P 2₁/m Mono

VI/D.20-10 Uranopilite [(UO2)6(SO4)O2(OH)6(H2O)6]·8(H2O) P1 1

VI/D.20-20 Meta-uranopilite (UO2)6(SO4)(OH)10·5(H2O) Unk Ortho

VI/D.20-30 Sodium-zippeite Na4(UO2)6(SO4)3(OH)10·4(H2O) Unk Ortho

VI/D.20-40 Zippeite K4(UO2)6(SO4)3(OH)10·4(H2O) C 2/m 2/m

VI/D.20-50 Magnesium-zippeite Mg(H2O)3.5(UO2)2(SO4)O2 C 2/m 2/m

VI/D.20-60 Cobalt-zippeite Co2(UO2)6(SO4)3(OH)10·16(H2O) Unk Ortho

VI/D.20-70 Nickel-zippeite Ni2(UO2)6(SO4)3(OH)10·16(H2O) Unk Ortho

VI/D.20-80 Zinc-zippeite Zn2(UO2)6(SO4)3(OH)10·16(H2O) Unk Ortho

VI/D.20-85 Deliensite Fe(UO2)2(SO4)2(OH)2·3(H2O) Pnnm or Pnn2 Ortho

VI/D.20-90 Rabejacite Ca(UO2)4(SO4)2(OH)6·6(H2O) Unk Ortho

Other Deliensite Information

References:

NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.83,p653,1998) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Deliensite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 - Uranium Minerals

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

Deliensite

Fe++(UO2)2(SO4)2(OH)2·3(H2O)
Dana No: 31.8.2.2 Strunz No: VI/D.20-85
Locality:

Notes: