Blatonite Mineral Data

General Blatonite Information

Chemical Formula:

UO2CO3•(H2O)

Composition:

Molecular Weight = 348.05 gm

Uranium 68.39 % U 77.58 % UO₂

Hydrogen 0.58 % H 5.18 % H₂O

Carbon 3.45 % C 12.64 % CO₂

Oxygen 27.58 % O

______ ______

100.00 % 95.40 % = TOTAL OXIDE

Empirical Formula:

(UO₂)(CO₃)•(H₂O)

Environment:

In seams of gypsum along bedding planes of a siltstone within the basal conglomerate member of the Shinarump Formation.

IMA Status:

Approved IMA 1998 (Dana # Added)

Locality:

Found by Patrick Haynes in the Jomac uranium mine, Brownï¿½s Rim, San Juan County, Utah, U.S.A. Link to MinDat.org Location Data.

Name Origin:

For Dr. Norbert Blaton (1945-), crystallographer at the University of Leuven, Belgium, a specialist on the crystal structure of uranium minerals.

Name Pronunciation:

Blatonite + Pronunciation

Synonym:

IMA1997-025

Blatonite Image

Images:

Blatonite

Comments: Bright yellow granular masses of blatonite and white crystalline gypsum.
Location: . Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Blatonite

Comments: Acicular, yellow blatonite crystals with white aragonite on matrix.
Location: Jomac Mine, White Canyon,White Canyon District (White Canyon), San Juan Co., Utah, USA. Scale: Picture size 6 mm.
© Paul M. Schumacher

Blatonite Crystallography

Axial Ratios:

a:c = 1:1.51551

Cell Dimensions:

a = 15.79, c = 23.93, Z = 36; V = 5,166.99 Den(Calc)= 4.03

Crystal System:

Hexagonal Space Group: Unk

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

By Intensity(I/I_o): 3.056(1), 6.56(0.77), 6.91(0.55),

Physical Properties of Blatonite

Cleavage:

{100} Parting

Color:

Canary yellow.

Density:

3.99 - 4.05, Average = 4.01

Diaphaneity:

Translucent

Fracture:

Flexible - Flexible fragments.

Habit:

Acicular - Occurs as needle-like crystals.

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Hardness:

2-3 - Gypsum-Calcite

Luster:

Silky

Streak:

white

Optical Properties of Blatonite

Gladstone-Dale:

CI meas= -0.225 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.222 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1489,KPDmeas= 0.1493,KC= 0.1219
Ncalc = 1.49

Optical Data:

Uniaxial (+), w=1.588, e=1.612, bire=0.0240.

Calculated Properties of Blatonite

Electron Density:

Bulk Density (Electron Density)=3.43 gm/cc
note: Specific Gravity of Blatonite =4.03 gm/cc.

Fermion Index:

Fermion Index = 0.0054368564
Boson Index = 0.9945631436

Photoelectric:

PE_Blatonite=1,824.48 barns/electron
U=PE_Blatonite x r_electron=6,253.03 barns/cc.

Radioactivity:

GRapi = 4,957,542.20 (Gamma Ray American Petroleum Institute Units)
Concentration of Blatonite per GRapi unit = 201.71 (PPB)

Blatonite 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) 6.14 ± 1.53 grams of pure Blatonite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 613.54 ±153.39 grams of pure Blatonite .

**Estimated Radioactivity from Blatonite** - 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 / 7.80 cm	122,416,050	3.31E-03	4,957,542.20	1,629.88
100 gm / 3.62 cm	12,241,605	3.31E-04	495,754.22	162.99
10 gm / 1.68 cm	1,224,161	3.31E-05	49,575.42	16.30
1 gm / 7.80 mm	122,416	3.31E-06	4,957.54	1.63
0.1 gm / 3.62 mm	12,242	3.31E-07	495.75	0.16
0.01 gm / 1.68 mm	1,224	3.31E-08	49.58	0.02
0.001 gm / 0.78 mm	122	3.31E-09	4.96	0.00

Weight of pure Blatonite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.03 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

Blatonite Classification

Dana Class:

15.01.08.02 (15)Hydrated Carbonates

(15.01)where A+ (XO3) ï¿½ x(H2O)

(15.01.08)Joliotite Group

15.01.08.01 Joliotite (UO2)(CO3)•n(H2O),(n=2?) P 222, Pmm2 Ortho

15.01.08.02 Blatonite! UO2CO3•(H2O) Unk Hex

15.01.08.03 Oswaldpeetersite! (UO2)2CO3(OH)2•4(H2O) P 2₁/c 2/m

Strunz Class:

05.EB.10 05 - CARBONATES (NITRATES)

05.E - Uranyl Carbonates

05.EB -UO2:CO3 = 1:1

05.EB.10 Blatonite! UO2CO3•(H2O) Unk Hex

Other Blatonite Information

References:

NAME( MinRec) PHYS. PROP.(Eur. J. Min.,Vol.10,1998) OPTIC PROP.(MinRec)

See Also:

Links to other databases for Blatonite :
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 Blatonite Specimen Label here :

Blatonite

UO2CO3•(H2O)
Dana No: 15.01.08.02 Strunz No: 05.EB.10
Locality:

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