Kozoite-(La)
A valid IMA mineral species
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About Kozoite-(La)
Formula:
La(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:
Dimorph of:
Unique Identifiers
Mindat ID:
25673
Long-form identifier:
mindat:1:1:25673:9
Similar Names
| Cocite | A rock subtype | |
| Coesite | A valid IMA mineral species - grandfathered | SiO2 |
| Cösite | A synonym of 'Oösite' | |
| Goyzaite | A synonym of Goyazite | |
| Kasoite | A variety of Celsian | Ba(Al2Si2O8) |
| Kassite | A valid IMA mineral species | CaTi2O4(OH)2 |
| Kotoite | A valid IMA mineral species - grandfathered | Mg3[BO3]2 |
| Kozoite | ||
| Kozoite-(Nd) | A valid IMA mineral species | Nd(CO3)(OH) |
| Kusuite | A synonym of Wakefieldite-(Ce) |
IMA Classification of Kozoite-(La)
Approved
IMA Formula:
LaCO3(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 for Standard |
|---|---|---|
| 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(CO3)(OH)
Element Weights:
Elements listed:
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) |
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
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, 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
Synonyms of Kozoite-(La)
Kozoite (in part)
Other Language Names for Kozoite-(La)
Dutch:Kozoiet-(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
Member of:
Other Members of Kozoite Group:
| Kozoite-(Nd) | Nd(CO3)(OH) | Orth. mmm(2/m2/m2/m) |
| 'Unnamed (Ce-analogue of Kozoite-(La) and -(Nd))' | (Ce,La)(CO3)(OH) | Orth. |
Common Associates
Associations Based on Photo Data:
| 1 photo of Kozoite-(La) associated with Kozoite-(Nd) | Nd(CO3)(OH) |
| 1 photo of Kozoite-(La) associated with Chabazite-Levyne Subgroup | M[Al2Si4O12] · 6H2O |
Related Minerals - Strunz-mindat Grouping
| 5.DC. | Gysinite-(Ce) | PbCe(CO3)2(OH) · H2O |
| 5.DC. | Calcioancylite-(La) | (LaCa)(CO3)2(OH) · H2O |
| 5.DC. | Gysinite-(La) | PbLa(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 | 'Unnamed (Ce-analogue of Kozoite-(La) and -(Nd))' | (Ce,La)(CO3)(OH) |
| 5.DC.05 | Ancylite-(La) | LaSr(CO3)2(OH) · H2O |
| 5.DC.05 | Ancylite-(Ce) | CeSr(CO3)2(OH) · H2O |
| 5.DC.05 | Kozoite-(Nd) | Nd(CO3)(OH) |
| 5.DC.05 | Gysinite-(Nd) | PbNd(CO3)2(OH) · H2O |
| 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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References for Kozoite-(La)
Reference List:
Sun, J., Kyotani, T., Tomita, A. (1986) Preparation and characterization of lanthanum carbonate hydroxide. Journal of Solid State Chemistry, 65. 94-99 doi:10.1016/0022-4596(86)90093-9
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)
Showing 6 localities.
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) |
Namibia | |
| Blaß et al. (2016) +1 other reference |
Norway | |
| +1 other reference |
Tanzania | |
| Mitchell et al. (2022) |
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Mitsukoshi, Hizen-cho, Karatsu City, Saga Prefecture, Japan