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Lanthanite-(La)

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Formula:
La2(CO3)3 · 8H2O
System:
Orthorhombic
Colour:
White, yellowish, ...
Lustre:
Pearly
Hardness:
2½ - 3
Name:
In allusion to the composition, containing lanthanide series elements with lanthanum (La) dominant.
Isostructural with:
Note on TL:

Lanthanite that was first described from Bastnäs, Sweden by Berzelius (1824). In the mid-80s Bastnäs lanthanite was assumed to be La-dominant, and thus named as lanthanite-(La). However Atencio et al. (1989) reexaminates lanthanite from Bastnäs, Sweden and the study indicates that the mineral (at last in the sample studied) is Ce- rather than La-dominant. They also discusses the first more complete chemical analysis of lanthanite from Bastnäs, made by Lindstöm in 1910, which not gave the true content of La, since all REE's was not chemically differentiated at that time.


Classification of Lanthanite-(La)

Approved, 'Grandfathered' (first described prior to 1959)
5.CC.25

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
C : With rare earth elements (REE)
15.4.2.1

15 : HYDRATED NORMAL CARBONATES
4 : AmBn(XO3)p·xH2O, with (m+n):p < 1:1
11.8.2

11 : Carbonates
8 : Carbonates of the rare earths

Physical Properties of Lanthanite-(La)

Pearly
Colour:
White, yellowish, pinkish, transparent.
Streak:
White
Hardness (Mohs):
2½ - 3
Cleavage:
Perfect

Optical Data of Lanthanite-(La)

Type:
Biaxial (-)
RI values:
nα = 1.520 nβ = 1.587 nγ = 1.613
2V:
Measured: 63° , Calculated: 60°
Max Birefringence:
δ = 0.093
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of Lanthanite-(La)

IMA Formula:
La2(CO3)3 · 8H2O
Elements listed in formula:

Crystallography of Lanthanite-(La)

Crystal System:
Orthorhombic
Morphology:
Crystals platy to thick tabular {010}. Lathlike at times due to extension of [001]. Fine granular to earthy.
Twinning:
On {101} as twin and composition plane.

Type Occurrence of Lanthanite-(La)

Relationship of Lanthanite-(La) to other Species

5.CC.05Donnayite-(Y)NaSr3CaY(CO3)6 · 3H2O
5.CC.05EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2O
5.CC.05Mckelveyite-(Nd)(Ba,Sr)(Nd,Ce,La)(CO3)2 · 4-10H2O
5.CC.05Mckelveyite-(Y)NaBa3(Ca,U)Y(CO3)6 · 3H2O
5.CC.05WeloganiteNa2Sr3Zr(CO3)6 · 3H2O
5.CC.10Tengerite-(Y)Y2(CO3)3 · 2-3H2O
5.CC.15Kimuraite-(Y)CaY2(CO3)4 · 6H2O
5.CC.15Lokkaite-(Y)CaY4(CO3)7 · 9H2O
5.CC.20Shomiokite-(Y)Na3Y(CO3)3 · 3H2O
5.CC.25Calkinsite-(Ce)Ce2(CO3)3 · 4H2O
5.CC.25Lanthanite-(Ce)Ce2(CO3)3 · 8H2O
5.CC.25Lanthanite-(Nd)Nd2(CO3)3 · 8H2O
5.CC.30Adamsite-(Y)NaY(CO3)2 · 6H2O
5.CC.35Decrespignyite-(Y)Y4Cu(CO3)4Cl(OH)5 · 2H2O
5.CC.40Galgenbergite-(Ce)CaCe2(CO3)4 · H2O
11.8.1Calkinsite-(Ce)Ce2(CO3)3 · 4H2O
11.8.3Lanthanite-(Ce)Ce2(CO3)3 · 8H2O
11.8.4Lanthanite-(Nd)Nd2(CO3)3 · 8H2O
11.8.5Hydroxylbastnäsite-(Ce)CeCO3(OH)
11.8.6Hydroxylbastnäsite-(Nd)NdCO3(OH)
11.8.7Hydroxylbastnäsite-(La)(La,Nd,Ce)(CO3)(OH,F)
11.8.8Rémondite-(Ce)Na3(Ce,La,Ca,Na,Sr)3(CO3)5
11.8.9Tengerite-(Y)Y2(CO3)3 · 2-3H2O
11.8.10Kimuraite-(Y)CaY2(CO3)4 · 6H2O
11.8.11Lokkaite-(Y)CaY4(CO3)7 · 9H2O
11.8.12Calcioancylite-(Nd)Nd2.8Ca1.2(CO3)4(OH)3 · H2O
11.8.13Calcioancylite-(Ce)(Ce,Ca,Sr)CO3(OH,H2O)
11.8.14Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
11.8.15Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5
11.8.16Donnayite-(Y)NaSr3CaY(CO3)6 · 3H2O
11.8.17Carbocernaite(Sr,Ce,La)(Ca,Na)(CO3)2
11.8.18Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
11.8.19EwalditeBa(Na,Ca,Y,Ce,K)(CO3)2 · 2.6H2O
11.8.20Mckelveyite-(Y)NaBa3(Ca,U)Y(CO3)6 · 3H2O
11.8.21Sahamalite-(Ce)Ce2Mg(CO3)4

Other Names for Lanthanite-(La)

Name in Other Languages:
Simplified Chinese:碳镧石
镧石
Traditional Chinese:碳鑭石
鑭石

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.

References for Lanthanite-(La)

Reference List:
Berzelius (1824) Svenska Vetenskapsakademien, Stockholm, Handlingar: 134 (as Kohlensaures Cereroxydul).

Berzelius, J. (1825) Ueber die Veränderungen in dem chemischen Mineral-Systeme, Kohlensaures Cereroxydul. Taschenbuch für die gesammte Mineralogie mit Hinsicht auf die neuesten Entdeckungen: 19: 193-218 (as Kohlensaures Cereroxydul).

Hisinger, W. (1826) Versuch einer mineralogischen Geographie von Schweden. Translated by F. Wöhler. Leipzig: 144 (as Kohlensaures Ceroxydul).

Dana, J.D. (1837) System of Mineralogy, 1st. edition, New Haven: 206 (as Carbonate of Cerium).

Beudant, F.S. (1832), Trailé élémentaire de Minéralogie, second edition, 2 volumes: 2: 354 (Carbocérine).

Hartman (1843) Min.: 2: 816 (as Hydrocerit).

Dufrénoy, A. (1845) Traité de minéralogie, Vol. 2: 377 (as Cérium carbonaté).

Haidinger W (1845) Zweite Klasse: Geogenide. II. Ordnung. Baryte. III. Cerebaryt. Lanthanit. in Handbuch der Bestimmenden Mineralogie, Bei Braumüller and Seidel (Wien): 499-506 (as Lanthanit).

Glocker, E.F. (1847) Generum et specierum mineralien secundum ordines naturals digestorum synopsis. Halle: 248 (as Hydrolanthanite).

Blake (1853) American Journal of Science: 16: 228 (as Crystallized Carbonate of Lanthanum).

Smith (1854) American Journal of Science: 18: 378.

Genth (1857) American Journal of Science: 23: 425.

von Lang (1863) Philosophical Magazine and Journal of Science: 25: 43.

Flink (1910) Arkiv för Kemi, Mineralogi och Geologi, Stockholm: 3: 165.

Lindström (1910) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 32: 214.

Goldschmidt, V. (1913) Atlas der Krystallformen. 9 volumes, atlas, and text, vol. 5: 119.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 241-243.

Bulletin de la Société française de Minéralogie et de Cristallographie (1979): 102: 343.

Atencio, D., Bevins, R. E., Fleischer, M., Williams, C. T., Williams, P. A. (1989) Revision of the lanthanite group and new data for specimens from Bastnäs, Sweden, and Bethlehem, USA. Mineralogical Magazine: 53: 639-642

Internet Links for Lanthanite-(La)

mindat.org URL:
https://www.mindat.org/min-2326.html
Please feel free to link to this page.

Localities for Lanthanite-(La)

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Austria
 
  • Carinthia
    • Klagenfurt
      • Kreuzbergl massif
        • Falkenberg
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
Brazil
 
  • Paraná
Rocks& Min. (Jan.2000)
      • Bacacheri
Type Mineralogy of Brazil, Daniel Atencio
  • São Paulo
Type Mineralogy of Brazil, Daniel Atencio
Canada
 
  • Ontario
    • Haliburton Co.
      • Cardiff Township
        • Tripp Mine (Nu-Age Mine)
Pavel Kartashov analytical data 2011, Reiner Mielke specimens
Japan
 
  • Kyushu Region
    • Saga Prefecture
      • Karatsu City (Higashi-Matsuura-gun)
        • Hizen-cho
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(7-8), 1076-1081.
Norway
 
  • Buskerud
    • Lier
Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26
Sweden (TL)
 
  • Västmanland
    • Skinnskatteberg
      • Riddarhyttan
Haidinger W (1845) Zweite Klasse: Geogenide. II. Ordnung. Baryte. III. Cerebaryt. Lanthanit. in Handbuch der Bestimmenden Mineralogie, Bei Braumüller and Seidel (Wien): 499-506; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 242.
USA
 
  • Colorado
    • El Paso Co.
"Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997
  • New York
    • Essex Co.
      • Mineville District
        • Moriah Township
Dana 6: 767; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 242.
  • Pennsylvania
    • Lehigh Co.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 242.
      • Upper Saucon Township
        • Saucon Valley
          • Friedensville
Rocks & Minerals: 6: 26; Rocks & Minerals: 10: 33-36, 58.
  • Vermont
    • Windham Co.
      • Putney
Johannes Swarts collection
Mineral and/or Locality  
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