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Zugshunstite-(Ce) Mineral Data

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General Zugshunstite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,Nd,La)Al(SO4)2(C2O4)•8(H2O)
Help on Composition: Composition: Molecular Weight = 667.51 gm
   Lanthanum       2.08 %  La    2.44 % La2O3
   Cerium         10.50 %  Ce   12.29 % Ce2O3
   Praeseodymium   2.11 %  Pr    2.47 % Pr2O3
   Aluminum        3.64 %  Al    6.87 % Al2O3
   Iron            0.84 %  Fe    1.20 % Fe2O3
   Hydrogen        3.62 %  H    32.39 % H2O
   Carbon          3.60 %  C    10.79 % C2O3
   Sulfur          9.61 %  S    23.99 % SO3
   Neodymium       6.48 %  Nd    7.56 % Nd2O3
   Oxygen         57.53 %  O
                 ______        ______ 
                 100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.5Nd0.3La0.1Pr0.1Al0.9Fe3+0.1(SO4)2(C2O4)�12(H2O)
Help on Environment: Environment: Associated with epsomite and "hair salts" in soil sheltered by an overhanging bluff. The sulfate is from the oxidation of pyritiferous shales in the bedrock. The cerium dominant ana log of levinsonite-(Y).
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: Alum Cave Bluff, Great Smoky Mountains Park, Tennessee, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the Cherokee Indian term for the Great Smoky Mountains.
Help on Synonym: Synonym: IMA1996-055
 

Zugshunstite-(Ce) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.476:1:0.7168
Help on Cell Dimensions: Cell Dimensions: a = 8.718, b = 18.313, c = 13.128, Z = 4; beta = 93.9° V = 2,091.07 Den(Calc)= 2.12
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.9(1)(110), 3.93(0.7)(023,220,113,125.01(0.4)(130), 5.36(0.4)(022), 3.07(0.2)(114,024,060), 3.29(0.2)(115,222,004), 3.74(0.2)(042,2
 

Physical Properties of Zugshunstite-(Ce)

Help on Cleavage: Cleavage: {010} Poor
Help on Color: Color: Pink, Very pale blue.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Irregular - Very brittle fracture producing irregular fragments
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Water Soluble - Water soluble mineral.
Help on Habit: Habit: Wedge shaped - Crystals shaped like a wedge.
Help on Luminescence: Luminescence: Fluorescent, Short UV=very pale blue, Long UV=very pale blue.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Zugshunstite-(Ce)

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.122 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2308,KC= 0.2057
Ncalc = 1.44
Help on Optical Data: Optical Data: Biaxial (+), a=1.455, b=1.485, g=1.528, bire=0.0730, 2V(Calc)=82, 2V(Meas)=85. Dispersion medium, r > v.
 

Calculated Properties of Zugshunstite-(Ce)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.11 gm/cc
note: Specific Gravity of Zugshunstite-(Ce) =2.12 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZugshunstite-(Ce) = 103.22 barns/electron
U=PEZugshunstite-(Ce) x relectron= 218.27 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 22,523.37 (Gamma Ray American Petroleum Institute Units)
Concentration of Zugshunstite-(Ce) per GRapi unit = 44.40 (PPM)

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

Estimated Radioactivity from Zugshunstite-(Ce) - 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 / 9.66 cm 474,205 1.28E-05 22,523.37 7.40
100 gm / 4.48 cm 47,421 1.28E-06 2,252.34 0.74
10 gm / 2.08 cm 4,742 1.28E-07 225.23 0.07
1 gm / 9.66 mm 474 1.28E-08 22.52 0.01
0.1 gm / 4.48 mm 47 1.28E-09 2.25 0.00
0.01 gm / 2.08 mm 5 1.28E-10 0.23 0.00
0.001 gm / 0.97 mm 0 1.28E-11 0.02 0.00

Weight of pure Zugshunstite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.12 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 ( 1.06 % Th) From Sum REE Elements (21.17 % REE)
 

Zugshunstite-(Ce) Classification

Help on  Dana Class: Dana Class: 50.01.09.01 (50)Salts of Organic Acids
  (50.01)(Oxalates)
  (50.01.09)Zugshunstite Group
 
50.01.09.01 Zugshunstite-(Ce)! (Ce,Nd,La)Al(SO4)2(C2O4)•8(H2O) C 2/c 2/m
 
50.01.09.02 Coskrenite-(Ce)! (Ce,Nd,La)2(SO4)2(C2O4)•8(H2O) C 2/c 2/m
 
50.01.09.03 Levinsonite-(Y)! (Y,Nd,La)Al(SO4)2(C2O4)•12(H2O) P 2/n 2/m
Help on  Strunz Class: Strunz Class: 10.AB.75 10 - ORGANIC COMPOUNDS
  10.A - Salts of Organic Acids
  10.AB -Oxalates
 
10.AB.75 Zugshunstite-(Ce)! (Ce,Nd,La)Al(SO4)2(C2O4)•8(H2O) C 2/c 2/m
 

Other Zugshunstite-(Ce) Information

Help on References: References: NAME( AmMin, vol 86, p1536) PHYS. PROP.(AmMin, vol 86, p1536) OPTIC PROP.(AmMin, vol 86, p1536)
Help on See Also: See Also: Links to other databases for Zugshunstite-(Ce) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Zugshunstite-(Ce) Specimen Label here :

Zugshunstite-(Ce)

(Ce,Nd,La)Al(SO4)2(C2O4)•8(H2O)
Dana No: 50.01.09.01 Strunz No: 10.AB.75
Locality:

 

Notes:

 

 
   
 


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