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Schuilingite-(Nd) Mineral Data

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General Schuilingite-(Nd) Information

Help on Chemical  Formula: Chemical Formula: PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)•1.5(H2O)
Help on Composition: Composition: Molecular Weight = 696.16 gm
   Samarium     4.32 %  Sm    5.01 % Sm2O3
   Gadolinium   6.78 %  Gd    7.81 % Gd2O3
   Yttrium      2.55 %  Y     3.24 % Y2O3
   Copper       9.13 %  Cu   10.28 % Cu2O
   Hydrogen     1.59 %  H    14.23 % H2O
   Lead        29.76 %  Pb   32.06 % PbO
   Carbon       5.18 %  C    18.97 % CO2
   Neodymium    6.22 %  Nd    7.25 % Nd2O3
   Oxygen      34.47 %  O
              ______        ______ 
              100.00 %       98.85 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbCuNd0.3Gd0.3Sm0.2Y0.2(CO3)3(OH)•5(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1947
Help on Locality: Locality: Kasompi copper deposit, between Likasi and Kolwezi, Shaba, Democratic Republic of Congo. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Hendrik Jan Schuiling (1892-1966), Dutch engineer and Chief Geologist, Union Miniere du Haut-Katanga, former Belgian Congo.
Help on Name Pronunciation: Name Pronunciation: Schuilingite-(Nd) + Pronunciation Say SCHUILINGITE-(ND)
 

Schuilingite-(Nd) Image

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  Schuilingite-(Nd)

Comments: Blue crystals of Schuilingite-(Nd).
Location: Kasompi Mine, Kambove, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 1.8 mm.
© Thomas Witzke / Abraxas-Verlag

Schuilingite-(Nd) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3931:1:0.3383
Help on Cell Dimensions: Cell Dimensions: a = 7.418, b = 18.87, c = 6.385, Z = 4; V = 893.76 Den(Calc)= 5.17
Help on Crystal System: Crystal System: Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: P 21cn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.827(1), 3.162(0.9), 4.46(0.9),
 

Physical Properties of Schuilingite-(Nd)

Help on Cleavage: Cleavage: {110} Perfect
Help on Color: Color: Azure, Turquoise.
Help on Density: Density: 5.2
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: light blue
 

Optical Properties of Schuilingite-(Nd)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.231 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.226 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1444,KPDmeas= 0.1436,KC= 0.1867
Ncalc = 1.97
Help on Optical Data: Optical Data: Biaxial (-), a=1.71, b=1.755, g=1.775, bire=0.0650, 2V(Calc)=64, 2V(Meas)=66.
 

Calculated Properties of Schuilingite-(Nd)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.71 gm/cc
note: Specific Gravity of Schuilingite-(Nd) =5.17 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PESchuilingite-(Nd) = 620.19 barns/electron
U=PESchuilingite-(Nd) x relectron=2,923.80 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 17,076.84 (Gamma Ray American Petroleum Institute Units)
Concentration of Schuilingite-(Nd) per GRapi unit = 58.56 (PPM)

Schuilingite-(Nd) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Radioactivity from Schuilingite-(Nd) - weak
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 / 7.18 cm 393,276 1.06E-05 17,076.84 5.61
100 gm / 3.33 cm 39,328 1.06E-06 1,707.68 0.56
10 gm / 1.55 cm 3,933 1.06E-07 170.77 0.06
1 gm / 7.18 mm 393 1.06E-08 17.08 0.01
0.1 gm / 3.33 mm 39 1.06E-09 1.71 0.00
0.01 gm / 1.55 mm 4 1.06E-10 0.17 0.00
0.001 gm / 0.72 mm 0 1.06E-11 0.02 0.00

Weight of pure Schuilingite-(Nd) in grams (gm) and Calculated Diameter of a Sphere with a Density of 5.17 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 ( 0.87 % Th) From Sum REE Elements (17.31 % REE)
 

Schuilingite-(Nd) Classification

Help on  Dana Class: Dana Class: 16b.01.04.01 (16b)Carbonates - Hydroxyl or Halogen
  (16b.01)where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1
  (16b.01.04)Dana Group
 
16b.01.04.01 Schuilingite-(Nd) PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)•1.5(H2O) P 21cn mm2
Help on  Strunz Class: Strunz Class: 05.DB.20 05 - CARBONATES (NITRATES)
  05.D - Carbonates with Additional Anions, with H2O
  05.DB -With large and medium-sized cations
 
05.DB.20 Schuilingite-(Nd) PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)•1.5(H2O) P 21cn mm2
 

Other Schuilingite-(Nd) Information

Help on References: References: PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Schuilingite-(Nd) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Schuilingite-(Nd)

PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)•1.5(H2O)
Dana No: 16b.01.04.01 Strunz No: 05.DB.20
Locality:

 

Notes:

 

 
   
 


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