Saleeite Mineral Data

General Saleeite Information

Chemical Formula:

Mg(UO2)2(PO4)2•10(H2O)

Composition:

Molecular Weight = 934.46 gm

Magnesium 2.60 % Mg 4.31 % MgO

Uranium 50.94 % U 57.79 % UO₂

Phosphorus 6.63 % P 15.19 % P₂O₅

Hydrogen 2.16 % H 19.28 % H₂O

Oxygen 37.67 % O

______ ______

100.00 % 96.58 % = TOTAL OXIDE

Empirical Formula:

Mg(UO₂)₂(PO₄)₂•10(H₂O)

Environment:

Found disseminated in carnotite-bearing sandstone.

IMA Status:

Valid Species (Pre-IMA) 1932

Locality:

Shinkolobwe, Shaba, Zaire. Link to MinDat.org Location Data.

Name Origin:

Named for Achille Salee (1883-1932), mineralogist, Universite Louvain, Belgium.

Name Pronunciation:

Saleeite

Synonym:

ICSD 40750

PDF 8-313

Saleeite Image

Images:

Saleeite

Comments: Gossanous matrix hosting abundant crystals of bright canary yellow salÃ©eite to 1.2 cm across.
Location: Ranger Mine, Northern Territories, Australia. Scale: 9 x 5.5 cm.
© John Veevaert

Images:

Saleeite

Comments: Square, tabular crystalline aggregates of greenish yellow salÃ©eite on matrix.
Location: Ranger Uranium Mine, Jabiru, Northern Territory, Australia. Scale: Picture size 1cm.
© Paul M. Schumacher

Saleeite Crystallography

Axial Ratios:

a:c = 1:2.83024

Cell Dimensions:

a = 7.01, c = 19.84, Z = 2; V = 974.94 Den(Calc)= 3.18

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 4/mmm

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

By Intensity(I/I_o): 9.85(1), 3.49(0.9), 4.95(0.8),

Forms:

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Forms: ( 0 1 2) ( 1 0 0) ( 0 0 1)

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Crystal Structure:

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Yakubovich O V , Steele I M , Atencio D , Menezes L A , Chukanov N V , Crystallography Reports , 53 (2008) p.764-770, Crystal structure of the (Mg,Fe)[UO2(P,As)O4]2*10H2O solid solution-, a novel mineral variety of saleeite, Locality: Eduardo Mine, Galileia County, Minas Gerais, Brazil

Physical Properties of Saleeite

Cleavage:

{001} Perfect, {010} Indistinct, {110} Indistinct

Color:

Yellow, Yellow green, Olive green.

Density:

3.27

Diaphaneity:

Transparent to Translucent

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

2.5 - Finger Nail

Luminescence:

Fluorescent, Short UV=brilliant yellow green, Long UV=brilliant yellow green.

Luster:

Vitreous (Glassy)

Streak:

yellow white

Optical Properties of Saleeite

Gladstone-Dale:

CI meas= -0.087 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.117 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1785,KPDmeas= 0.1736,KC= 0.1598
Ncalc = 1.51 - 1.52

Optical Data:

Biaxial (-), a=1.559, b=1.57, g=1.574, bire=0.0150, 2V(Calc)=60, 2V(Meas)=61. Dispersion r > v strong.

Pleochroism (x):

colorless.

Pleochroism (y):

colorless.

Pleochroism (z):

pale greenish yellow.

Calculated Properties of Saleeite

Electron Density:

Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of Saleeite =3.27 gm/cc.

Fermion Index:

Fermion Index = 0.006453053
Boson Index = 0.993546947

Photoelectric:

PE_Saleeite=1,280.17 barns/electron
U=PE_Saleeite x r_electron=3,780.92 barns/cc.

Radioactivity:

GRapi = 3,922,096.05 (Gamma Ray American Petroleum Institute Units)
Concentration of Saleeite per GRapi unit = 254.97 (PPB)

Saleeite 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) 7.76 ± 1.94 grams of pure Saleeite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 775.52 ±193.88 grams of pure Saleeite .

**Estimated Radioactivity from Saleeite** - 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 / 8.36 cm	91,191,402	2.46E-03	3,922,096.05	1,289.46
100 gm / 3.88 cm	9,119,140	2.46E-04	392,209.60	128.95
10 gm / 1.80 cm	911,914	2.46E-05	39,220.96	12.89
1 gm / 8.36 mm	91,191	2.46E-06	3,922.10	1.29
0.1 gm / 3.88 mm	9,119	2.46E-07	392.21	0.13
0.01 gm / 1.80 mm	912	2.46E-08	39.22	0.01
0.001 gm / 0.84 mm	91	2.46E-09	3.92	0.00

Weight of pure Saleeite 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

Saleeite Classification

Dana Class:

40.02a.11.01 (40)Hydrated Phosphates, etc

(40.02a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++

(40.02a.11)Dana Group

40.02a.11.01 Saleeite Mg(UO2)2(PO4)2•10(H2O) I 4/mmm 4/m 2/m 2/m

Strunz Class:

08.EB.05 08 - PHOSPHATES, ARSENATES, VANADATES

08.E - Uranyl Phosphates and Arsenates

08.EB -UO2:RO4 = 1:1

08.EB.05 Autunite Ca(UO2)2(PO4)2•10-12(H2O) I 4/mmm 4/m 2/m 2/m

08.EB.05 Heinrichite Ba(UO2)2(AsO4)2•10-12(H2O) P 2/c 2/m

08.EB.05 Kahlerite Fe(UO2)2(AsO4)2•10-12(H2O) P 4₁/n 4/m

08.EB.05 Uranocircite Ba(UO2)2(PO4)2•12(H2O) P 4/nnc 4/m 2/m 2/m

08.EB.05 Novacekite Mg(UO2)2(AsO4)2•12(H2O) P 4₁/n 4/m

08.EB.05 Saleeite Mg(UO2)2(PO4)2•10(H2O) I 4/mmm 4/m 2/m 2/m

08.EB.05 Xiangjiangite (Fe,Al)(UO2)4(PO4)2(SO4)2(OH)•22(H2O) C 2/c or Cc Mono

08.EB.05 Torbernite Cu(UO2)2(PO4)2•8-12(H2O) I 4/mmm 4/m 2/m 2/m

08.EB.05 Uranospinite Ca(UO2)2(AsO4)2•10(H2O) P nma 2/m 2/m 2/m

08.EB.05 Zeunerite Cu(UO2)2(AsO4)2•10-16(H2O) P 4/nnc 4/m 2/m 2/m

08.EB.05 Metarauchite! Ni(UO2)2(AsO4)2•8H2O P1 1

Other Saleeite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Saleeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Uranium Minerals
16 - WWW-MINCRYST

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

Saleeite

Mg(UO2)2(PO4)2•10(H2O)
Dana No: 40.02a.11.01 Strunz No: 08.EB.05
Locality:

Notes: