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, Brown’s 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:

HexagonalSpace 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 Becquerels (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) · 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

Search for Blatonite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Blatonite :

A Bijoux Google Search for Blatonite
Adam's Minerals Google Search for Blatonite
Cape Minerals Google Search for Blatonite
Dakota Matrix Minerals Google Search for Blatonite
Excalibur Mineral Corp. Google Search for Blatonite
Exceptional Minerals Google Search for Blatonite
John Betts Fine Minerals Search for Blatonite
McDougall Minerals Google Search for Blatonite
Mineral News Website Link
Rock and Mineral Shows Google Search for Blatonite
Weinrich Minerals, Inc. Google Search for Blatonite

Ask about Blatonite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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:

Notes: