Kozoite-(Nd)  Mineral Data

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 Diaphaneity: Diaphaneity: 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
Ncalc = 1.72
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: Bulk Density (Electron Density)=3.97 gm/cc
note: Specific Gravity of Kozoite-(Nd) =4.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
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 = 60,011.32 (Gamma Ray American Petroleum Institute Units)
Concentration of Kozoite-(Nd) per GRapi unit = 16.66 (PPM)

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
Becquerels
(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 1,403,947 3.79E-05 60,011.32 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.01.01.06 (16b)Carbonates - Hydroxyl or Halogen
  (16b.01)where (A)m (B)n (XO3)p Zq, with (m+n):p=1:1
  (16b.01.01)Ancylite group
 
16b.01.01.01 Ancylite-(Ce) SrCe(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
 
16b.01.01.02 Calcioancylite-(Ce) CaCe(CO3)2(OH)•(H2O) P mmm 2/m 2/m 2/m
 
16b.01.01.03 Calcioancylite-(Nd) CaNd(CO3)2(OH)•(H2O) Pm m
 
16b.01.01.04 Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
 
16b.01.01.05 Ancylite-(La)! Sr(La,Ce)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
 
16b.01.01.06 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
 
16b.01.01.07 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 05.DC.05 05 - CARBONATES (NITRATES)
  05.D - Carbonates with Additional Anions, with H2O
  05.DC -With large cations
 
05.DC.05 Ancylite-(Ce) SrCe(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
 
05.DC.05 Ancylite-(La)! Sr(La,Ce)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
 
05.DC.05 Gysinite-(Nd) Pb(Nd,La)(CO3)2(OH)•(H2O) Pmcn 2/m 2/m 2/m
 
05.DC.05 Calcioancylite-(Ce) CaCe(CO3)2(OH)•(H2O) P mmm 2/m 2/m 2/m
 
05.DC.05 Calcioancylite-(Nd) CaNd(CO3)2(OH)•(H2O) Pm m
 
05.DC.05 Kozoite-(La)! La(CO3)(OH) Pmcn 2/m 2/m 2/m
 
05.DC.05 Kozoite-(Nd)! (Nd,La,Sm,Pr)(CO3)(OH) Pmcn 2/m 2/m 2/m
 

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 - 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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Kozoite-(Nd)

(Nd,La,Sm,Pr)(CO3)(OH)
Dana No: 16b.01.01.06 Strunz No: 05.DC.05
Locality:

 

Notes: