Kozoite-(La)
A valid IMA mineral species
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About Kozoite-(La)
Formula:
(La,Nd)(CO3)(OH)
Colour:
Pink, yellow, white
Lustre:
Vitreous
Specific Gravity:
4.16 (Calculated)
Crystal System:
Orthorhombic
Member of:
Name:
In allusion to its composition with dominant lanthanum, and its relationship to Kozoite-(Nd).
Type Locality:
Unique Identifiers
Mindat ID:
25673
Long-form identifier:
mindat:1:1:25673:9
GUID
(UUID V4):
(UUID V4):
dc3fb5b7-6396-40cf-836c-1118c5e1b6bd
IMA Classification of Kozoite-(La)
Approved
IMA Formula:
La(CO3)(OH)
Approval year:
2002
First published:
2003
Type description reference:
Miyawaki, Ritsuro, Matsubara, Satoshi, Yokoyama, Kazumi, Iwano, Shoichiro, Hamasaki, Kazuhiro, Yukinori, Isao (2003) Kozoite-(La), La(CO3)(OH), a new mineral from Mitsukoshi, Hizen-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 98 (4) 137-141 doi:10.2465/jmps.98.137
Classification of Kozoite-(La)
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-La | 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-(La)
Vitreous
Transparency:
Transparent
Colour:
Pink, yellow, white
Streak:
White
Density:
4.16 g/cm3 (Calculated)
Chemistry of Kozoite-(La)
Mindat Formula:
(La,Nd)(CO3)(OH)
Common Impurities:
Nd
Crystallography of Kozoite-(La)
Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 4.986 Å, b = 8.513 Å, c = 7.227 Å
Ratio:
a:b:c = 0.586 : 1 : 0.849
Unit Cell V:
306.7 ų
Z:
4
Comment:
Space Group: Pmcn.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.54 Å | (32) |
4.31 Å | (100) |
3.69 Å | (72) |
2.93 Å | (57) |
2.33 Å | (50) |
2.06 Å | (48) |
1.994 Å | (35) |
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-(La)
General Appearance of Type Material:
Zoned spherules to 0.5 mm.
Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan (NSM-M28310).
Geological Setting of Type Material:
Alkali olivine basalt.
Associated Minerals at Type Locality:
Reference:
Miyawaki, R., Matsubara, S., Yokoyama, K., Iwano, S., Hamasaki, K., Yukinorii, I. (2003): Kozoite-(La), La(CO3)(OH), a new mineral from Mitsukoshi, Hizen-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 98 (4), 137-141.
Synonyms of Kozoite-(La)
Kozoite (in part)
Other Language Names for Kozoite-(La)
German:Kozoit-(La)
Japanese:弘三石-(La)
Russian:Козоит-(La)
Simplified Chinese:羟碳镧石
Traditional Chinese:羥碳鑭石
Relationship of Kozoite-(La) to other Species
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-(Nd) | (Nd,La,Sm,Pr)(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
Notes:
Readily soluble with effervescence in dilute HCl.
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-(La)
mindat.org URL:
https://www.mindat.org/min-25673.html
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Mineral Dealers:
References for Kozoite-(La)
Reference List:
Miyawaki, Ritsuro, Matsubara, Satoshi, Yokoyama, Kazumi, Iwano, Shoichiro, Hamasaki, Kazuhiro, Yukinori, Isao (2003) Kozoite-(La), La(CO3)(OH), a new mineral from Mitsukoshi, Hizen-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 98 (4) 137-141 doi:10.2465/jmps.98.137
Localities for Kozoite-(La)
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Japan | |
| Takai et al. (2010) |
| Miyawaki et al. (2003) |
Namibia | |
| Blaß et al. (2016) +1 other reference |
Norway | |
| Knut Eldjarn Collection +1 other reference |
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Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan