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Kozoite-(Nd)

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Big Photo

Niikoba, Hizen-cho, Karatsu City (Higashi-Matsuura-gun), Saga Prefecture, Kyushu Region, Japan
© Brent Thorne 2009

Show Kozoite-(Nd) Photos (2)



Formula:
(Nd,La,Sm,Pr)(CO
 
3
)(OH)
System:OrthorhombicColour:pale pinkish-purple to ...
Lustre:Vitreous
Member of:Ancylite Group
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, Karatsu City (Higashi-Matsuura-gun), Saga Prefecture, Kyushu Region, 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)(CO
 
3
)(OH)
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

Member of:Ancylite Group
Other Members of Group:

- +
Ancylite-(Ce)
SrCe(CO
 
3
)
 
2
(OH) · H
 
2
O
Ancylite-(La)
Sr(La,Ce)(CO
 
3
)
 
2
(OH) · H
 
2
O
Calcioancylite-(Ce)
(Ca,Sr)Ce(CO
 
3
)
 
2
(OH) · H
 
2
O
Calcioancylite-(Nd)
Ca(Nd,La,Ce)(CO
 
3
)
 
2
(OH)
 
.
H
 
2
O
Kozoite-(La)
(La,Nd)(CO
 
3
)(OH)
Related Minerals - Nickel-Strunz Grouping):

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

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (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 Region
      • Saga Prefecture
        • Karatsu City (Higashi-Matsuura-gun)
          • Hizen-cho
    Amer.Min.(2000) 85, 1076-1081
    Norway
     
    • Nordland
      • Tysfjord
    		Husdal, T. (2009): Ancylittmineraler i Norge. Norsk Bergverksmuseum Skrift 41, 33 - 42
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