Oswaldpeetersite Mineral Data

[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies]
We specialize in fine European and Asian Mineral Specimens
Heliodor is based in Prague, Czech Republic

General Oswaldpeetersite Information

Chemical Formula:

(UO2)2CO3(OH)2•4(H2O)

Composition:

Molecular Weight = 706.14 gm

Uranium 67.42 % U 76.48 % UO₂

Hydrogen 1.43 % H 12.76 % H₂O

Carbon 1.70 % C 6.23 % CO₂

Oxygen 29.45 % O

______ ______

100.00 % 95.47 % = TOTAL OXIDE

Empirical Formula:

(UO₂)₂(CO₃)(OH)₂•4(H₂O)

Environment:

Coating sandstone in organic-rich Permian-aged Shinarump Conglomerate.

IMA Status:

Approved IMA 2000 (Dana # Added)

Locality:

Jomac uranium mine, Brown's Rim, San Juan County, Utah, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Maurice Oswald Peeters (1945-), structural crystallographer at the University of Leuven, Belgium.

Synonym:

IMA2000-034

Oswaldpeetersite Image

Images:

Oswaldpeetersite

Comments: Yellow oswaldpeetersite in matrix.
Location: Jomac Mine, White Canyon,White Canyon District (White Canyon), San Juan Co., Utah, USA. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Images:

Oswaldpeetersite

Comments: Greenish-yellow, acicular, radial-spherical blebs of oswaldpeetersite on matrix.
Location: Jomac Mine, San Juan County, Utah, USA. Scale: Picture size 5 mm.
© Paul M. Schumacher

Oswaldpeetersite Crystallography

Axial Ratios:

a:b:c =0.2938:1:1.3033

Cell Dimensions:

a = 4.1425, b = 14.098, c = 18.374, Z = 4; beta = 103.62° V = 1,042.88 Den(Calc)= 4.50

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 3.322(1)(114), 4.546(0.96)(031), 3.029(0.85)(043),8.95(0.65)(002), 7.54(0.63)(012), 2.273(0.62)(062), 3.463(0.62)(015), 4.262(0.6)(014),

Physical Properties of Oswaldpeetersite

Cleavage:

{hk0} Distinct

Color:

Canary yellow.

Diaphaneity:

Transparent

Fracture:

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

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

2-3 - Gypsum-Calcite

Luster:

Vitreous (Glassy)

Streak:

pale yellow

Optical Properties of Oswaldpeetersite

Gladstone-Dale:

CI calc= -0.094 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1455,KC= 0.133
Ncalc = 1.6

Optical Data:

Biaxial (-), a=1.583, b=1.669, g=1.712, bire=0.1290

Calculated Properties of Oswaldpeetersite

Electron Density:

Bulk Density (Electron Density)=3.87 gm/cc
note: Specific Gravity of Oswaldpeetersite =4.50 gm/cc.

Fermion Index:

Fermion Index = 0.0051846422
Boson Index = 0.9948153578

Photoelectric:

PE_{Oswaldpeetersite}=1,776.47 barns/electron
U=PE_{Oswaldpeetersite} x r_electron=6,883.09 barns/cc.

Radioactivity:

GRapi = 4,947,831.30 (Gamma Ray American Petroleum Institute Units)
Concentration of Oswaldpeetersite per GRapi unit = 202.11 (PPB)

Oswaldpeetersite 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) 6.15 ± 1.54 grams of pure Oswaldpeetersite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 614.75 ±153.69 grams of pure Oswaldpeetersite .

**Estimated Radioactivity from Oswaldpeetersite** - 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 / 7.52 cm	120,676,209	3.26E-03	4,947,831.30	1,626.68
100 gm / 3.49 cm	12,067,621	3.26E-04	494,783.13	162.67
10 gm / 1.62 cm	1,206,762	3.26E-05	49,478.31	16.27
1 gm / 7.52 mm	120,676	3.26E-06	4,947.83	1.63
0.1 gm / 3.49 mm	12,068	3.26E-07	494.78	0.16
0.01 gm / 1.62 mm	1,207	3.26E-08	49.48	0.02
0.001 gm / 0.75 mm	121	3.26E-09	4.95	0.00

Weight of pure Oswaldpeetersite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.50 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

Oswaldpeetersite Classification

Dana Class:

15.01.08.03 (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.EA.20 05 - CARBONATES (NITRATES)

05.E - Uranyl Carbonates

05.EA -UO2:CO3 > 1:1

05.EA.20 Oswaldpeetersite! (UO2)2CO3(OH)2•4(H2O) P 2₁/c 2/m

Other Oswaldpeetersite Information

References:

NAME( MinRec, v 33, n 4, p 354) PHYS. PROP.(MinRec, v 33, n 4, p 354) OPTIC PROP.(MinRec, v 33, n 4, p 354)

See Also:

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

Search for Oswaldpeetersite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Oswaldpeetersite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Oswaldpeetersite Mineral Data :

Ask about Oswaldpeetersite 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 Oswaldpeetersite Specimen Label here :

Oswaldpeetersite

(UO2)2CO3(OH)2•4(H2O)
Dana No: 15.01.08.03 Strunz No: 05.EA.20
Locality:

Notes: