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La2(CO3)3 · 8H2O
White, yellowish, ...
2½ - 3
In allusion to the composition, containing lanthanide series elements with lanthanum (La) dominant.
Isostructural with:
This page provides mineralogical data about Lanthanite-(La).

Classification of Lanthanite-(La)

Approved, 'Grandfathered' (first described prior to 1959)

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

4 : AmBn(XO3)p·xH2O, with (m+n):p < 1:1

11 : Carbonates
8 : Carbonates of the rare earths

Physical Properties of Lanthanite-(La)

White, yellowish, pinkish, transparent.
Hardness (Mohs):
2½ - 3

Optical Data of Lanthanite-(La)

Biaxial (-)
RI values:
nα = 1.520 nβ = 1.587 nγ = 1.613
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:
relatively weak

Chemical Properties of Lanthanite-(La)

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

Crystallography of Lanthanite-(La)

Crystal System:
Crystals platy to thick tabular {010}. Lathlike at times due to extension of [001]. Fine granular to earthy.
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
11.8.9Tengerite-(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
11.8.16Donnayite-(Y)NaSr3CaY(CO3)6 · 3H2O
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

Other Names for Lanthanite-(La)

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

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 (1825) Zeitschrift für Min.: 2: 209 (as Kohlensaures Cereroxydul).

Berzelius (1824) Svenska Vetenskapsakademien, Stockholm, Handlingar: 134 (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, Wm. (1845a) Handbuch der bestimmenden Mineralogie. Vienna: 500 (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.

Internet Links for Lanthanite-(La) URL:
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.
  • Carinthia
    • Klagenfurt
      • Kreuzbergl massif
        • Falkenberg
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Paraná
Rocks& Min. (Jan.2000)
      • Bacacheri
Type Mineralogy of Brazil, Daniel Atencio
  • São Paulo
Type Mineralogy of Brazil, Daniel Atencio
  • Ontario
    • Haliburton Co.
      • Cardiff Township
        • Tripp Mine (Nu-Age Mine)
Pavel Kartashov analytical data 2011, Reiner Mielke specimens
  • 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.
  • 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): Handbuch bestimm. Min 1st ed., 500; 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.
  • 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
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