Fluorbritholite-(La)

Ca2La3(SiO4)3F
IMA status
  • Approved
  • Pending publication
IMA symbol
Fbri-La
IMA approved
2025
Also known as
  • Fluorbritholiet-(La)
  • IMA2025-027

Where it forms, where it's found

Type locality
Fluorbritholite-(La) type locality
  1. Gejiu Sn-polymetallic ore field
  2. Gejiu City
  3. Honghe
  4. Yunnan
  5. China

23.4944°, 103.0781°

1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Hexagonal
Space group
#108
Cell parameters
a = 9.698(2) Å · c = 7.072(1) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
57LaLanthanumLanthanum3138.905416.715
52.61%
8OOxygenOxygen1215.999191.988
24.24%
14SiSiliconSilicon328.08584.255
10.63%
20CaCalciumCalcium240.07880.156
10.12%
9FFluorineFluorine118.99818.998
2.40%
Total792.112100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Synonyms

  • Fluorbritholiet-(La)
  • IMA2025-027

In other languages

German
Fluorbritholith-(La) · IMA 2025-027

Classification

Strunz
10th ed.

9.AH.25

  • 9SilicatesClass
  • 9.ANesosilicatesDivision
  • 9.AHNesosilicates with CO3, SO4, PO4, etc.Group
  • 9.AH.25Fluorbritholite-(La)Species

Group, growth & confusion

Literature, links & citation

Citations
  1. Wang, Y., Pekov, I.V., Gu, X., Nestola, F., Zubkova, N.V., Dong, G., Fan, G., Ge, X. and Qu, K. (2025) Fluorbritholite-(La), IMA 2025-027. CNMNC Newsletter 86, Mineralogical Magazine, 89
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Fluorbritholite-(La) — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/fluorbritholite-la-488806},
  note      = {Accessed 2026-05-11}
}