Mineralogy Database

Shabaite-(Nd) Mineral Data

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General Shabaite-(Nd) Information

Help on Chemical Formula: Chemical Formula: Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2•6(H2O)
Help on Composition: Composition: Molecular Weight = 969.96 gm
   Calcium     4.13 %  Ca    5.78 % CaO
   Samarium    7.75 %  Sm    8.99 % Sm2O3
   Yttrium     2.29 %  Y     2.91 % Y2O3
   Uranium    24.54 %  U    27.84 % UO2
   Hydrogen    1.45 %  H    13.00 % H2O
   Carbon      4.95 %  C    18.15 % CO2
   Neodymium  18.59 %  Nd   21.68 % Nd2O3
   Oxygen     36.29 %  O
             ______        ______ 
             100.00 %       98.35 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaNd1.25Sm0.5Y0.25(UO2)(CO3)4(OH)2•6(H2O)
Help on Environment: Environment: Cu-Co deposit.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Kamoto East, 5 km W of Kolwezi, Shaba, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Shabaite-(Nd) Say SHABAITE-(ND)
 

Shabaite-(Nd) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.2869:1:0.2597
Help on Cell Dimensions: Cell Dimensions: a = 9.208, b = 32.09, c = 8.335, Z = 5; beta = 90.3° V = 2,462.83 Den(Calc)= 3.27
Help on Crystal System: Crystal System: Monoclinic Space Group: P 2,P 2/m,Pm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 15.9(1), 7.31(0.7), 3.072(0.6),
 

Physical Properties of Shabaite-(Nd)

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Pale greenish yellow, Light yellow.
Help on Density: Density: 3.13
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Pearly
Help on Streak: Streak: white
 

Optical Properties of Shabaite-(Nd)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.088 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.041 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1757,KPDmeas= 0.1836,KC= 0.1688
Ncalc = 1.53 - 1.55
Help on Optical Data: Optical Data: Biaxial (-), a=1.534, b=1.59, g=1.6, bire=0.0660, 2V(Calc)=44, 2V(Meas)=44.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
Help on Pleochroism (z): Pleochroism (z): none.
 

Calculated Properties of Shabaite-(Nd)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.98 gm/cc
note: Specific Gravity of Shabaite-(Nd) =3.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEShabaite-(Nd) = 771.58 barns/electron
U=PEShabaite-(Nd) x relectron=2,298.17 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 1,931,331.87 (Gamma Ray American Petroleum Institute Units)
Concentration of Shabaite-(Nd) per GRapi unit = 517.78 (PPB)

Shabaite-(Nd) 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) 15.75 ± 3.94 grams of pure Shabaite-(Nd) .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 1574.9 ±393.73 grams of pure Shabaite-(Nd) .

Estimated Radioactivity from Shabaite-(Nd) - 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 / 8.36 cm 44,526,789 1.20E-03 1,931,331.87 634.96
100 gm / 3.88 cm 4,452,679 1.20E-04 193,133.19 63.50
10 gm / 1.80 cm 445,268 1.20E-05 19,313.32 6.35
1 gm / 8.36 mm 44,527 1.20E-06 1,931.33 0.63
0.1 gm / 3.88 mm 4,453 1.20E-07 193.13 0.06
0.01 gm / 1.80 mm 445 1.20E-08 19.31 0.01
0.001 gm / 0.84 mm 45 1.20E-09 1.93 0.00

Weight of pure Shabaite-(Nd) in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.27 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
Estimated Thorium Activity ( 1.32 % Th) From Sum REE Elements (26.34 % REE)
 

Shabaite-(Nd) Classification
Help on Dana Class: Dana Class: 16b.01.05.01 (16b)Carbonates - Hydroxyl or Halogen
  (16b.01)where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1
  (16b.01.05)Dana Group
 
16b.01.05.01 Shabaite-(Nd) Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2•6(H2O) P 2,P 2/m,Pm Mono
Help on Strunz Class: Strunz Class: 05.EE.10 05 - CARBONATES (NITRATES)
  05.E - Uranyl Carbonates
  05.EE -UO2:CO3 = 1:4
 
05.EE.10 Shabaite-(Nd) Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2•6(H2O) P 2,P 2/m,Pm Mono
 

Other Shabaite-(Nd) Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Shabaite-(Nd) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Shabaite-(Nd)

Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2•6(H2O)
Dana No: 16b.01.05.01 Strunz No: 05.EE.10
Locality:

 

Notes:

 
 
   
 

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