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:

Named for Dr. Michel Deliens (1939-), Royal Belgian Institute of Natural History, Brussels, Belgium, in recognition of his research on uranium bearing minerals.

Name Pronunciation:

Deliensite + Pronunciation

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:

Orthorhombic Space 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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Forms: ( 0 1 0) ( 1 0 0) ( 0 1 1)

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Physical Properties of Deliensite

Cleavage:

{100} Perfect

Color:

Yellow, White, Grayish.

Density:

3.268

Diaphaneity:

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
Ncalc = 1.45

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:

Bulk Density (Electron Density)=2.88 gm/cc
note: Specific Gravity of Deliensite =3.27 gm/cc.

Fermion Index:

Fermion Index = 0.0059632303
Boson Index = 0.9940367697

Photoelectric:

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

Radioactivity:

GRapi = 4,081,437.54 (Gamma Ray American Petroleum Institute Units)
Concentration of Deliensite per GRapi unit = 245.01 (PPB)

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	97,266,644	2.63E-03	4,081,437.54	1,341.84
100 gm / 3.88 cm	9,726,664	2.63E-04	408,143.75	134.18
10 gm / 1.80 cm	972,666	2.63E-05	40,814.38	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:

31.08.02.02 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.08)where (A+ B++)3 (XO4)2 Zqï¿½x(H2O)

(31.08.02)Dana Group

31.08.02.01 Johannite Cu(UO2)2(SO4)2(OH)2•8(H2O) P1 1

31.08.02.02 Deliensite! Fe(UO2)2(SO4)2(OH)2•3(H2O) Pnnm or Pnn2 Ortho

Strunz Class:

07.EB.10 07 - SULFATES (SELENATES, TELLURATES)

07.E - Uranyl Sulfates

07.EB -With medium-sized cations

07.EB.10 Deliensite! Fe(UO2)2(SO4)2(OH)2•3(H2O) Pnnm or Pnn2 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 - 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
13 - 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: 31.08.02.02 Strunz No: 07.EB.10
Locality:

Notes:

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