Kozoite-(Nd) Mineral Data


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General Kozoite-(Nd) Information
Help on Chemical Formula: Chemical Formula: (Nd,La,Sm,Pr)(CO3)(OH)
Help on Composition: Composition: Molecular Weight = 205.20 gm
   Lanthanum      20.31 %  La   23.82 % La2O3
   Praeseodymium   6.87 %  Pr    8.04 % Pr2O3
   Samarium        3.66 %  Sm    4.25 % Sm2O3
   Hydrogen        0.49 %  H     4.39 % H2O
   Carbon          5.85 %  C    21.45 % CO2
   Neodymium      31.63 %  Nd   36.89 % Nd2O3
   Oxygen         31.19 %  O
                 ______        ______ 
                 100.00 %       98.83 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Nd0.45La0.3Pr0.1Sm0.05(CO3)(OH)
Help on Environment: Environment: Post magmatic hydrothermal activity in an alkali olivine basalt from the last-stage lava of a volcanic sequence. Probable dehydration product of lanthanite-(Nd). End-member of the a ncylite group.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Niikoba, Hizen-cho, Higashi Matsuura-gun, Saga Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Kozo Hanashima (1925-1985), a chemist, and pioneer in the study of chemistry of rare earth minerals in Japan.
Help on Synonym: Synonym: IMA1998-063
 

Kozoite-(Nd) Image

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Kozoite-(Nd)

Comments: White grain of kozoite-(Nd) in matrix.
Location: Niikoba, Hizen-cho, Higashi-Matsuura-gun, Saga Prefecture, Kyushu Island, Japan. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag
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Kozoite-(Nd)

Comments: Photomicrograph of the spherical aggregate composed of kosoite-(Nd). (JMPS, v 98, p 138).
Location: Cavity in alkaline basalt near Mitsukoshi, Saga Prefecture, Japan. Scale: See Image.
© JMPS
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Kozoite-(Nd)   Kozoite-(La)

Comments: Backscatter electron image of polished section through a sperical aggregate showing the zonation form kosoite-(La) to kosolite-(Nd). (JMPS, v 98, p 138).
Location: Cavity in alkaline basalt near Mitsukoshi, Saga Prefecture, Japan. Scale: See Image.
© JMPS

Kozoite-(Nd) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5843:1:0.8515
Help on Cell Dimensions: Cell Dimensions: a = 4.981, b = 8.524, c = 7.259, Z = 4; V = 308.20 Den(Calc)= 4.42
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmcn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.29(1)(110), 2.93(0.89)(102), 2.06(0.78)(221),1.892(0.78), 2.333(0.78)(131), 1.994(0.75)(212), 3.69(0.72)(111), 4.3(0.72), 5.52(0.7),
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Miyawaki R , Matsubara S , Yokoyama K , Takeuchi K , Nakai I , Terada Y , American Mineralogist , 85 (2000) p.1076-1081, Kozoite-(Nd), Nd(CO3)(OH), a new mineral in an alkali olivine basalt, from Hizen-cho, Saga Prefecture, Japan

 

Physical Properties of Kozoite-(Nd)

Help on Color: Color: Pale pinkish purple, White.
Help on Diaphaniety: Diaphaniety: Transparent
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Luster: Luster: Vitreous - Dull
 

Optical Properties of Kozoite-(Nd)

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.027 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1672,KC= 0.1628
Help on Optical Data: Optical Data: Biaxial (?), a=1.698, g=1.78, bire=0.0820
 

Calculated Properties of Kozoite-(Nd)

Help on Electron Density: Electron Density:

relectron=3.97 gm/cc
note: rKozoite-(Nd) =4.42 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.0763
Boson Index = 0.9237
Help on Photoelectric: Photoelectric:

PEKozoite-(Nd) = 343.91 barns/electron
U=PEKozoite-(Nd) x relectron=1,364.49 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 60,011.26 (Gamma Ray American Petroleum Institute Units)

Kozoite-(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) 506.85 ±126.71 grams of pure Kozoite-(Nd) .

Estimated Radioactivity from Kozoite-(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 / 7.56 cm 1,403,946 3.79E-05 60,011.26 19.73
100 gm / 3.51 cm 140,395 3.79E-06 6,001.13 1.97
10 gm / 1.63 cm 14,039 3.79E-07 600.11 0.20
1 gm / 7.56 mm 1,404 3.79E-08 60.01 0.02
0.1 gm / 3.51 mm 140 3.79E-09 6.00 0.00
0.01 gm / 1.63 mm 14 3.79E-10 0.60 0.00
0.001 gm / 0.76 mm 1 3.79E-11 0.06 0.00

Weight of pure Kozoite-(Nd) in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.42 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 ( 3.12 % Th) From Sum REE Elements (62.47 % REE)
 

Kozoite-(Nd) Classification
Help on Dana Class: Dana Class: 16b.1.1.6 (16b)Carbonates - Hydroxyl or Halogen
  (16b.1)where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1
  (16b.1.1)Ancylite group
 
16b.1.1.1 Ancylite-(Ce) SrCe(CO3)2(OH)·(H2O) Pmcn 2/m 2/m 2/m
 
16b.1.1.2 Calcio-ancylite-(Ce) CaCe(CO3)2(OH)·(H2O) P mmm 2/m 2/m 2/m
 
16b.1.1.3 Calcio-ancylite-(Nd) CaNd(CO3)2(OH)·(H2O) Pm m
 
16b.1.1.4 Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)·(H2O) Pmcn 2/m 2/m 2/m
 
16b.1.1.5 Ancylite-(La)! Sr(La,Ce)(CO3)2(OH)·(H2O) Pmcn 2/m 2/m 2/m
 
16b.1.1.6 Kozoite-(Nd) ! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
 
16b.1.1.7 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: V/C.07-61 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 Kozoite-(Nd) Information
Help on References: References: NAME( AmMin, Vol 85, p 1076) PHYS. PROP.(AmMin, Vol 85, p 1076) OPTIC PROP.(AmMin, Vol 85, p 1076)
Help on See Also: See Also: Links to other databases for Kozoite-(Nd) :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Kozoite-(Nd)

(Nd,La,Sm,Pr)(CO3)(OH)
Dana No: 16b.1.1.6 Strunz No: V/C.07-61
Locality:

 

Notes:

 
 
   
 
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