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Kozoite-(Nd)

Big Photo

Niikoba, Hizen-cho, Higashi-Matsuura-gun, Saga Prefecture, Kyushu Island, Japan
© Brent Thorne 2009

Formula:
(Nd,La,Sm,Pr)[OH|CO
 
3
]
System:OrthorhombicColour:pale pinkish-purple to ...
Lustre:Vitreous
Name:Named for Kozo Hanashima (1925-1985), a chemist, and pioneer in the study of chemistry of rare earth minerals in Japan.


Ancylite Group. The neodymium analogue of Kozoite-(La).

Classification of Kozoite-(Nd)

IMA status:Approved
Strunz 8th edition ID:5/C.07-61
Nickel-Strunz 10th (pending) edition ID:5.DC.05

5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
C : With large cations
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Type Occurrence of Kozoite-(Nd)

Type Locality:Niikoba, Hizen-cho, Higashi-Matsuura-gun, Saga Prefecture, Kyushu Island, Japan

Physical Properties of Kozoite-(Nd)

Lustre:Vitreous
Colour:pale pinkish-purple to white
Density (calculated):4.77 g/cm3

Crystallography of Kozoite-(Nd)

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal

Optical Data of Kozoite-(Nd)

Type:Biaxial
RI values: nα = 1.698 nγ = 1.780
Maximum Birefringence:δ = 0.082

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:relatively strong

Chemical Properties of Kozoite-(Nd)

Formula:
(Nd,La,Sm,Pr)[OH|CO
 
3
]
Essential elements:C, H, Nd, O
All elements listed in formula:C, H, La, Nd, O, Pr, Sm

Relationship of Kozoite-(Nd) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.DC.05Ancylite-(Ce)
SrCe[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.05Calcioancylite-(Ce)
(Ca,Sr)Ce(CO
 
3
)
 
2
OH·H
 
2
O
5.DC.05Calcioancylite-(Nd)
(Nd,Ce)
 
3
Ca(CO
 
3
)
 
4
(OH)
 
3
·H
 
2
O
5.DC.05Gysinite-(Nd)
Pb(Nd,La)[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.05Ancylite-(La)
Sr(La,Ce)[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.05Kozoite-(La)
(La,Nd)(CO
 
3
)(OH)
5.DC.10Kamphaugite-(Y)
Ca(Y,REE)[OH|(CO
 
3
)
 
2
] · H
 
2
O
5.DC.15Sheldrickite
NaCa
 
3
(CO
 
3
)
 
2
F
 
3
·H
 
2
O
5.DC.20Thomasclarkite-(Y)
(Na,Ce)(Y,REE)[(OH)
 
3
|HCO
 
3
] · 4H
 
2
O
5.DC.25Peterbaylissite
(Hg-Hg)
 
1.5
[OH|CO
 
3
] · 2H
 
2
O
5.DC.30Clearcreekite
(Hg-Hg)
 
1.5
[OH|CO
 
3
] · 2H
 
2
O
5.DC.35Niveolanite
NaBe(CO
 
3
)(OH)·2H
 
2
O

Other Names for Kozoite-(Nd)

Synonyms:
IMA1998-063
Other Languages:
Russian:Козоит-(Nd)

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Kozoite-(Nd)

Reference List:American Mineralogist (2000): 85: 1076-1081.

Internet Links for Kozoite-(Nd)

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    Localities for Kozoite-(Nd)

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Japan
     
    • Kyushu Island
      • Saga Prefecture
        • Higashi-Matsuura-gun
          • Hizen-cho
    Amer.Min.(2000) 85, 1076-1081
    Mineral and/or Locality
    Google
     
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