Arsenuranospathite Mineral Data

Arsenuranospathite Mineral Data +

[Express Minerals] [Minerals for Sale] [About Us] [En EspaÃƒï¿½Ã‚Â±ol] [Mineral Gallery]
Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996

General Arsenuranospathite Information

Chemical Formula:

HAl(UO2)4(AsO4)4·40(H2O)

Composition:

Molecular Weight = 2,384.39 gm

Uranium 39.93 % U 45.30 % UO₂

Aluminum 1.13 % Al 2.14 % Al₂O₃

Arsenic 12.57 % As 19.28 % As₂O₅

Hydrogen 3.42 % H 30.60 % H₂O

Oxygen 42.94 % O

______ ______

100.00 % 97.32 % = TOTAL OXIDE

Empirical Formula:

HAl(UO₂)₄(AsO₄)₄·40(H₂O)

Environment:

A very rare secondary mineral in uranium deposits.

IMA Status:

Approved IMA 1978

Locality:

In Germany, in the Black Forest, at Menzenschwand and on the dump of the Sophia mine, near Wittichen. Link to MinDat.org Location Data.

Name Origin:

As the "arsenate" analog of "uranospathite."

Search for Arsenuranospathite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Arsenuranospathite Crystallography

Axial Ratios:

a:c = 1:4.24162

Cell Dimensions:

a = 7.16, c = 30.37, Z = 1; V = 1,556.94 Den(Calc)= 2.54

Crystal System:

Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 4₁/n

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

By Intensity(I/I_o): 7.62(1), 14.62(1), 3.49(0.9),

Physical Properties of Arsenuranospathite

Cleavage:

[001] Perfect, [100] Distinct

Color:

White, Light yellow.

Density:

2.54

Diaphaniety:

Transparent to Translucent

Hardness:

2 - Gypsum

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Arsenuranospathite

Gladstone-Dale:

CI meas= -0.149 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.149 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2126,KPDmeas= 0.2126,KC= 0.185

Optical Data:

Uniaxial (-), e=1.538, w=1.542, bire=0.0040.

Calculated Properties of Arsenuranospathite

Electron Density:

r_electron=2.36 gm/cc
note: r_{Arsenuranospathite}=2.54 gm/cc.

Fermion Index

Fermion Index = 0.00308
Boson Index = 0.99692

Photoelectric:

PE_{Arsenuranospathite}= 985.47 barns/electron
U=PE_{Arsenuranospathite} x r_electron=2,322.12 barns/cc.

Radioactivity:

GRapi = 3,157,581.16 (Gamma Ray American Petroleum Institute Units)

Arsenuranospathite 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) 9.63 ± 2.41 grams of pure Arsenuranospathite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 963.29 ±240.82 grams of pure Arsenuranospathite .

**Estimated Radioactivity from Arsenuranospathite** - 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 / 9.09 cm	71,476,902	1.93E-03	3,157,581.16	1,038.11
100 gm / 4.22 cm	7,147,690	1.93E-04	315,758.12	103.81
10 gm / 1.96 cm	714,769	1.93E-05	31,575.81	10.38
1 gm / 9.09 mm	71,477	1.93E-06	3,157.58	1.04
0.1 gm / 4.22 mm	7,148	1.93E-07	315.76	0.10
0.01 gm / 1.96 mm	715	1.93E-08	31.58	0.01
0.001 gm / 0.91 mm	71	1.93E-09	3.16	0.00

Weight of pure Arsenuranospathite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.54 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

Arsenuranospathite Classification

Dana Class:

40.2a.23.1 (40)Hydrated Phosphates, etc

(40.2a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++

(40.2a.23)Dana Group

40.2a.23.1 Arsenuranospathite HAl(UO2)4(AsO4)4·40(H2O) P 4₁/n 4/m

Strunz Class:

VII/E.04-20 VII - Phosphates, Arsenates and Vanadates

VII/E - Uranylphosphates and uranylvanadates with [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-

VII/E.04 - Uranospathite - Arsenuranospathite series

VII/E.04-10 Uranospathite HAl(UO2)4(PO4)4·40(H2O) P 4₁/n 4/m

VII/E.04-20 Arsenuranospathite HAl(UO2)4(AsO4)4·40(H2O) P 4₁/n 4/m

Other Arsenuranospathite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Arsenuranospathite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - Uranium Minerals 13 -École des Mines de Paris

Search for Arsenuranospathite using:

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

Visit our Advertisers for Arsenuranospathite :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Arsenuranospathite Mineral Data :

Ask about Arsenuranospathite 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 Arsenuranospathite Specimen Label here :

Arsenuranospathite

HAl(UO2)4(AsO4)4·40(H2O)
Dana No: 40.2a.23.1 Strunz No: VII/E.04-20
Locality:

Notes: