Kozoite-(Nd)
A valid IMA mineral species
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About Kozoite-(Nd)
Dr. Kozo Nagashima
Formula:
(Nd,La,Sm,Pr)(CO3)(OH)
Colour:
pale pinkish-purple to white
Lustre:
Vitreous
Specific Gravity:
4.77 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
Named in honor of Kozo Nagashima (長島弘三) (21 February 1925, Tokyo, Japan - 6 January 1985), chemist at Tokyo University and Tsukuba University and a pioneer in the study of chemistry of rare earth minerals in Japan. He described several new minerals. He was also the son of mineral collector Otokichi Nagashima after whom nagashimalite is named.
Type Locality:
Unique Identifiers
Mindat ID:
7142
Long-form identifier:
mindat:1:1:7142:6
GUID
(UUID V4):
(UUID V4):
7e5ad9aa-482b-429b-aa44-91d12e8654a8
IMA Classification of Kozoite-(Nd)
Approved
IMA Formula:
Nd(CO3)(OH)
First published:
2000
Type description reference:
Classification of Kozoite-(Nd)
5.DC.05
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
C : With large cations
5 : CARBONATES (NITRATES)
D : Carbonates with additional anions, with H2O
C : With large cations
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Koz-Nd | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Kozoite-(Nd)
Optical Data of Kozoite-(Nd)
Type:
Biaxial
RI values:
nα = 1.698 nγ = 1.780
Max Birefringence:
δ = 0.082
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong
Chemistry of Kozoite-(Nd)
Mindat Formula:
(Nd,La,Sm,Pr)(CO3)(OH)
Crystallography of Kozoite-(Nd)
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 4.9829(1) Å, b = 8.5188(2) Å, c = 7.2570(2) Å
Ratio:
a:b:c = 0.585 : 1 : 0.852
Unit Cell V:
308.05 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space group Pmcn (non-standard setting).
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0002475 | Kozoite-(Nd) | Miyawaki R, Matsubara S, Yokoyama K, Takeuchi K, Nakai I, Terada Y (2000) Kozoite-(Nd), Nd(CO3)(OH), a new mineral in an alkali olivine basalt from Hizen-cho, Saga Prefecture, Japan American Mineralogist 85 1076-1081 |  | 2000 | 0 | 293 | |
| 0019379 | Kozoite-(Nd) | Tahara T, Nakai I, Miyawaki R, Matsubara S (2007) Crystal chemistry of RE(CO3)OH Zeitschrift fur Kristallographie 222 326-334 | 2007 | synthetic | 0 | 293 | |
| 0014241 | Kozoite-(Nd) | Dexpert H, Caro P (1974) Determination de la structure cristalline de la variete a des hydroxycarbonates de terres rares LnOHCO3(Ln=Nd) Materials Research Bulletin 9 1577-1586 | 1974 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.29 Å | (100) |
| 2.93 Å | (89) |
| 2.33 Å | (78) |
| 2.06 Å | (78) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 8 : Mafic igneous rocks | |
| Near-surface Processes | |
| 23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) |
Type Occurrence of Kozoite-(Nd)
Reference:
Miyawaki, R., Matsubara, S., Yokoyama, K., Takeuchi, K., Terada, Y., Nakai, I. (2000) Kozoite-(Nd), Nd(CO3)(OH), a new mineral in an alkali olivine basalt from Hizen-cho, Saga Prefecture, Japan. American Mineralogist: 85: 1076-1081.
Synonyms of Kozoite-(Nd)
Kozoite (in part)
Other Language Names for Kozoite-(Nd)
Relationship of Kozoite-(Nd) to other Species
Common Associates
Associated Minerals Based on Photo Data:
| 2 photos of Kozoite-(Nd) associated with Lanthanite-(Nd) | (Nd,La)2(CO3)3 · 8H2O |
| 2 photos of Kozoite-(Nd) associated with Kimuraite-(Y) | Ca(Y,Nd)2(CO3)4 · 6H2O |
Related Minerals - Strunz-mindat Grouping
| 5.DC. | Calcioancylite-(La) | (LaCa)(CO3)2(OH) · H2O |
| 5.DC. | Gysinite-(La) | PbLa(CO3)2(OH) · H2O |
| 5.DC. | Gysinite-(Ce) | PbCe(CO3)2(OH)(H2O) |
| 5.DC.05 | Ancylite-(Ce) | CeSr(CO3)2(OH) · H2O |
| 5.DC.05 | Calcioancylite-(Ce) | (Ce,Ca,Sr)CO3(OH,H2O) |
| 5.DC.05 | Calcioancylite-(Nd) | Ca(Nd,La,Ce)(CO3)2(OH).H2O |
| 5.DC.05 | Gysinite-(Nd) | PbNd(CO3)2(OH) · H2O |
| 5.DC.05 | Unnamed (La-analogue of Calcioancylite-(Ce)) | (La,Ce,Nd,Ca,Sr)CO3(OH,H2O) |
| 5.DC.05 | Ancylite-(La) | LaSr(CO3)2(OH) · H2O |
| 5.DC.05 | Kozoite-(La) | (La,Nd)(CO3)(OH) |
| 5.DC.05 | Unnamed (Ce-analogue of Kozoite-(La) and -(Nd)) | (Ce,La)(CO3)(OH) |
| 5.DC.10 | Kamphaugite-(Y) | Ca(Y,REE)(CO3)2(OH) · H2O |
| 5.DC.15 | Sheldrickite | NaCa3(CO3)2F3 · H2O |
| 5.DC.20 | Thomasclarkite-(Y) | (Na,Ce)(Y,REE)(HCO3)(OH)3 · 4H2O |
| 5.DC.25 | Peterbaylissite | [Hg2]2+3[CO3]2(OH)2 · 4H2O |
| 5.DC.30 | Clearcreekite | [Hg2]2+3[CO3]2(OH)2 · 4H2O |
| 5.DC.35 | Niveolanite | NaBe(CO3)(OH) · 2H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Kozoite-(Nd)
mindat.org URL:
https://www.mindat.org/min-7142.html
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References for Kozoite-(Nd)
Localities for Kozoite-(Nd)
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Japan | |
| Takai et al. (2010) |
| Miyawaki et al. (2003) |
| Amer.Min. (2000) +1 other reference | |
Norway | |
| Husdal (2009) |
Slovakia | |
| Ondrejka M. et al. (Ce) |
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Hizen-cho, Karatsu City, Saga Prefecture, Japan