Parisite-(Nd) Mineral Data + Say PARISITE-(ND)

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General Parisite-(Nd) Information

Help on Chemical  Formula: Chemical Formula: Ca(Nd,Ce,La)2(CO3)3F2
Help on Composition: Composition: Molecular Weight = 555.09 gm
   Calcium     7.22 %  Ca   10.10 % CaO
   Lanthanum  20.02 %  La   23.48 % La2O3
   Cerium     10.10 %  Ce   11.83 % Ce2O3
   Carbon      6.49 %  C    23.79 % CO2
   Neodymium  23.39 %  Nd   27.28 % Nd2O3
   Oxygen     25.94 %  O
   Fluorine    6.85 %  F     6.85 % F
                -   %  F    -2.88 % -O=F2
             ______        ______ 
             100.00 %      100.43 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaNd0.9Ce0.4La0.8(CO3)3F2
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Bayan Obo iron-rare earth deposit, Inner Mongolia, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Nd-rich end member of the parisite series, named for J. J. Paris, mine proprietor at Muzon, north of Bogota, Columbia.
 

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Parisite-(Nd) Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.96743
Help on Cell Dimensions: Cell Dimensions: a = 7.125, c = 14.018, Z = 3; V = 616.29 Den(Calc)= 4.49
Help on Crystal System: Crystal System: Trigonal - PyramidalH-M Symbol (3) Space Group: R 3
 

Physical Properties of Parisite-(Nd)

Help on Cleavage: Cleavage: [???] Good
Help on Color: Color: Brownish yellow.
Help on Density: Density: 4.2 - 4.5, Average = 4.34
Help on Diaphaniety: Diaphaniety: Transparent
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Parisite-(Nd)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1596,KPDmeas= 0.1647,KC= 0.1638
Help on Optical Data: Optical Data: Uniaxial (+), w=1.679, e=1.754, bire=0.0750.
 

Calculated Properties of Parisite-(Nd)

Help on Electron Density: Electron Density:

relectron=3.93 gm/cc
note: rParisite-(Nd) =4.35 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.04901
Boson Index = 0.95099
Help on Photoelectric: Photoelectric:

PEParisite-(Nd) = 283.57 barns/electron
U=PEParisite-(Nd) x relectron=1,114.68 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 51,570.07 (Gamma Ray American Petroleum Institute Units)

Parisite-(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) 589.81 ±147.45 grams of pure Parisite-(Nd) .

Estimated Radioactivity from Parisite-(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 / 7.60 cm 1,198,456 3.24E-05 51,570.07 16.95
100 gm / 3.53 cm 119,846 3.24E-06 5,157.01 1.70
10 gm / 1.64 cm 11,985 3.24E-07 515.70 0.17
1 gm / 7.60 mm 1,198 3.24E-08 51.57 0.02
0.1 gm / 3.53 mm 120 3.24E-09 5.16 0.00
0.01 gm / 1.64 mm 12 3.24E-10 0.52 0.00
0.001 gm / 0.76 mm 1 3.24E-11 0.05 0.00

Weight of pure Parisite-(Nd) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.35 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 ( 2.68 % Th) From Sum REE Elements (53.50 % REE)
 

Parisite-(Nd) Classification

Help on  Dana Class: Dana Class: 16a.1.5.2 (16a)Carbonates - Hydroxyl or Halogen
  (16a.1)in the Bastnasite/Shynchysite/Parasite Groups
  (16a.1.5)Parisite Subgroup
 
16a.1.5.1 Parisite-(Ce) Ca(Ce,La)2(CO3)3F2 R 3 3
 
16a.1.5.2 Parisite-(Nd) Ca(Nd,Ce,La)2(CO3)3F2 R 3 3
Help on  Strunz Class: Strunz Class: V/C.07-80 V - Nitrates, Carbonates and Borates
  V/C - Waterfree carbonates with unfamiliar anions
  V/C.07 - Bastnäsite-(Y) - Mineevite-(Y) series
 
V/C.07-10 Bastnasite-(Y) Y(CO3)F P 62c 6 m2
 
V/C.07-20 Bastnasite-(La) La(CO3)F P 62c 6 m2
 
V/C.07-30 Bastnasite-(Ce) Ce(CO3)F P 62c 6 m2
 
V/C.07-40 Hydroxylbastnasite-(La) La(CO3)(OH) C 2221 2 2 2
 
V/C.07-50 Hydroxylbastnasite-(Ce) Ce(CO3)(OH) P 62c 6 m2
 
V/C.07-60 Hydroxylbastnasite-(Nd) Nd(CO3)(OH) P 62c 6 m2
 
V/C.07-61 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
 
V/C.07-62 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
 
V/C.07-64 Horvathite-(Y)! NaY(CO3)F2 Pmcn 2/m 2/m 2/m
 
V/C.07-70 Parisite-(Ce) Ca(Ce,La)2(CO3)3F2 R 3 3
 
V/C.07-80 Parisite-(Nd) Ca(Nd,Ce,La)2(CO3)3F2 R 3 3
 
V/C.07-90 Rontgenite-(Ce) Ca2(Ce,La)3(CO3)5F3 R 3 3
 
V/C.07-100 Synchysite-(Y) CaY(CO3)2F C 2/c 2/m
 
V/C.07-110 Synchysite-(Ce) CaCe(CO3)2F C 2/c 2/m
 
V/C.07-120 Synchysite-(Nd) CaNd(CO3)2F Unk Ortho
 
V/C.07-130 Huanghoite-(Ce) BaCe(CO3)2F R 3m 3 2/m
 
V/C.07-140 Cebaite-(Ce) Ba3Ce2(CO3)5F2 C 2/m or C 2 Mono
 
V/C.07-150 Cebaite-(Nd)! Ba3(Nd,Ce)2(CO3)5F2 Unk Mono
 
V/C.07-154 Kukharenkoite-(La)! Ba2(La,Ce)(CO3)3F P 21/m 2/m
 
V/C.07-155 Kukharenkoite-(Ce)! Ba2Ce(CO3)3F P 21/m 2/m
 
V/C.07-160 Zhonghuacerite-(Ce) Ba2Ce(CO3)3F P 21/m 2/m
 
V/C.07-170 Cordylite-(Ce) Ba(Ce,La)2(CO3)3F2 P 63/mmc 6/m 2/m 2/m
 
V/C.07-175 Lukechangite-(Ce)! Na3Ce2(CO3)4F P 63/mmc 6/m 2/m 2/m
 
V/C.07-190 Mineevite-(Y) Na25Ba(Y,Gd,Dy)2(HCO3)4(CO3)11(SO4)2ClF2 P 63/m 6/m
 
V/C.07-200 Reederite-(Y)! Na15Y2(CO3)9(SO3F)Cl P 6 6
 
V/C.07-210 Micheelsenite! (Ca,Y)3Al[PO3OH,CO3](CO3)(OH)6·12(H2O) P 63 6
 

Other Parisite-(Nd) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.73,p1496,1988) OPTIC PROP.(Am.Min.,Vol.73,p1496,1988)
Help on See Also: See Also: Links to other databases for Parisite-(Nd) :
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

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Print or Cut-and-Paste your Parisite-(Nd) Specimen Label here :

Parisite-(Nd)

Ca(Nd,Ce,La)2(CO3)3F2
Dana No: 16a.1.5.2 Strunz No: V/C.07-80
Locality:

 

Notes:

 

 
   
 
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