Calciouranoite Mineral Data

Calciouranoite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Calciouranoite Information

Help on Chemical Formula: Chemical Formula: (Ca,Ba,Pb)U2O7•5(H2O)
Help on Composition: Composition: Molecular Weight = 667.92 gm
   Barium     2.06 %  Ba    2.30 % BaO
   Sodium     0.34 %  Na    0.46 % Na2O
   Calcium    4.20 %  Ca    5.88 % CaO
   Uranium   60.58 %  U    72.80 % UO3
   Hydrogen   1.45 %  H    12.95 % H2O
   Lead       3.10 %  Pb    3.34 % PbO
   Oxygen    28.27 %  O
            ______        ______ 
            100.00 %       97.72 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.7Ba0.1Pb0.1Na0.1U1.7O7•4.8(H2O)
Help on Environment: Environment: In felsite stringers, deep in the oxidation zone of a U-Mo deposit, in water-saturated ore-bearing faults.
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Streltsovskoe U-Mo deposit, eastern Transbaikal, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for CALCIum and URANium in the composition.
Help on Name Pronunciation: Name Pronunciation: Calciouranoite Say CALCIOURANOITE
 

Calciouranoite Image

Click Here for Larger Calciouranoite Image in a New Browser Window Images:
Click Here for Larger Calciouranoite Image

Calciouranoite   Metacalciouranoite

Comments: Cryptocrystalline looking, greasy yellow blotches, of amorphous calciouranoite (probably, in part, dehydrated to matacalciouranoite).
Location: Oktyabr'skoye Mo-U deposit, east Transbaikal region, Russia. Scale: See Image.
© Rruff Database

Calciouranoite Crystallography
Help on Crystal System: Crystal System: TriclinicSpace Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.05(1), 3.406(1), 4(1),
 

Physical Properties of Calciouranoite

Help on Cleavage: Cleavage: {hk0} Distinct, {hk0} Distinct
Help on Color: Color: Brown, Orange, Orange brown, Red orange.
Help on Density: Density: 4.62
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Greasy (Oily)
 

Optical Properties of Calciouranoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.184 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.1782,KC= 0.1505
Ncalc = 1.7
Help on Optical Data: Optical Data: Biaxial (-), a=1.76, b=1.84, g=1.87, bire=0.1100
Help on Pleochroism (x): Pleochroism (x): deep lemon yellow.
Help on Pleochroism (y): Pleochroism (y): deep lemon yellow.
Help on Pleochroism (z): Pleochroism (z): very pale yellow.
 

Calculated Properties of Calciouranoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.00 gm/cc
note: Specific Gravity of Calciouranoite =4.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PECalciouranoite =1,651.81 barns/electron
U=PECalciouranoite x relectron=6,610.77 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,473,381.76 (Gamma Ray American Petroleum Institute Units)
Concentration of Calciouranoite per GRapi unit = 223.54 (PPB)

Calciouranoite 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) 6.80 ± 1.70 grams of pure Calciouranoite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 679.95 ±169.99 grams of pure Calciouranoite .

Estimated Radioactivity from Calciouranoite - 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 / 7.45 cm 108,443,677 2.93E-03 4,473,381.76 1,470.70
100 gm / 3.46 cm 10,844,368 2.93E-04 447,338.18 147.07
10 gm / 1.60 cm 1,084,437 2.93E-05 44,733.82 14.71
1 gm / 7.45 mm 108,444 2.93E-06 4,473.38 1.47
0.1 gm / 3.46 mm 10,844 2.93E-07 447.34 0.15
0.01 gm / 1.60 mm 1,084 2.93E-08 44.73 0.01
0.001 gm / 0.74 mm 108 2.93E-09 4.47 0.00

Weight of pure Calciouranoite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.62 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
 

Calciouranoite Classification
Help on Dana Class: Dana Class: 05.04.02.01 (05)Oxides Containing Uranium and Thorium
  (05.04)with alkaline-earth elements (hydrated)
  (05.04.02)Uranoite Series
 
05.04.02.01 Calciouranoite (Ca,Ba,Pb)U2O7•5(H2O) Unk Tri
 
05.04.02.02 Bauranoite BaU2O7•4-5(H2O) Triclinic ? Tri
Help on Strunz Class: Strunz Class: 04.GB.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.G - Uranyl Hydroxides
  04.GB -With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra
 
04.GB.20 Calciouranoite (Ca,Ba,Pb)U2O7•5(H2O) Unk Tri
 
04.GB.20 Bauranoite BaU2O7•4-5(H2O) Triclinic ? Tri
 
04.GB.20 Metacalciouranoite (Ca,Na,Ba)U2O7•2(H2O) Ortho ? Ortho
 

Other Calciouranoite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Calciouranoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Uranium Minerals

Search for Calciouranoite using:

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

Visit our Advertisers for Calciouranoite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Calciouranoite Mineral Data :

Ask about Calciouranoite 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 Espaņol

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

Calciouranoite

(Ca,Ba,Pb)U2O7•5(H2O)
Dana No: 05.04.02.01 Strunz No: 04.GB.20
Locality:

 

Notes: