Krügerite

BaCa6(SiO4)2[(P0.5S0.5)O4]2F
IMA status
  • Approved
  • Pending publication
IMA symbol
Kgr
Also known as
  • IMA2023-121
  • Krügeriet

Where it forms, where it's found

Geological setting

pyrotectic

Type locality
Ye’elim Mount
  1. Tamar Regional Council
  2. Beersheba Subdistrict
  3. Southern District
  4. Israel

31.2424°, 35.2787°

1recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Trigonal
Space group
R-3m
Cell parameters
a = 7.1110(2) Å · c = 25.3598(6) Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen1615.999255.984
33.16%
20CaCalciumCalcium640.078240.468
31.15%
56BaBariumBarium1137.327137.327
17.79%
14SiSiliconSilicon228.08556.170
7.28%
16SSulfurSulfur132.06032.060
4.15%
15PPhosphorusPhosphorus130.97430.974
4.01%
9FFluorineFluorine118.99818.998
2.46%
Total771.981100.00%

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

From Mindat formula

Synonyms

  • IMA2023-121
  • Krügeriet

In other languages

German
Krügerit

Classification

Strunz
10th ed.

8.BN.10

  • 8Phosphates, Arsenates, VanadatesClass
  • 8.BPhosphates, etc., with additional anions, without H2ODivision
  • 8.BNWith only large cations, (OH, etc.):RO4 = 0.33:1Group
  • 8.BN.10KrügeriteSpecies

Group, growth & confusion

In the same group
1 members

Literature, links & citation

Citations
  1. : Galuskin, E.V., Cametti, G., Galuskina, I.O., Vapnik, Y. and Zieliński, G. (2024) Krügerite, IMA 2023-121. CNMNC Newsletter 79, Mineralogical Magazine, 88,
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Krügerite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/krugerite-471101},
  note      = {Accessed 2026-05-11}
}