Beckettite

Ca2V6Al6O20
IMA status
  • Approved
IMA symbol
Bek
IMA approved
2015
Also known as
  • Beckettiet
  • IMA2015-001

Where it forms, where it's found

Geological setting

CV3 meteorite in a V-rich, fluffy Type A Ca-Al-rich inclusion (CAI) A-WP1 in USNM 7617; occurs in highly altered areas.

Type locality
Allende meteorite
  1. Pueblito de Allende
  2. Chihuahua
  3. Mexico

26.9667°, -105.3167°

2recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Triclinic
Space group
P-1
Cell parameters
a = 10.367 Å · b = 10.756 Å · c = 8.895 Å
Cell angles
α = 106 ° · β = 96 ° · γ = 124.7 °
Ratio a:b:c
1 : 1.038 : 0.858
Z
2
Type-locality form

Aggregates of crystals 4 to 8 μm.

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen2015.999319.980
36.88%
23VVanadiumVanadium650.942305.652
35.22%
13AlAluminiumAluminium626.982161.892
18.66%
20CaCalciumCalcium240.07880.156
9.24%
Total867.680100.00%

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

From IMA formula

Synonyms

  • Beckettiet
  • IMA2015-001

In other languages

German
Beckettit · IMA 2015-001
Italian
beckettite

Classification

Strunz
10th ed.

4.HC

  • 4OxidesClass
  • 4.HV[5,6] VanadatesDivision
  • 4.HC[6]-SorovanadatesGroup
  • 4.HCBeckettiteSpecies

Group, growth & confusion

In the same group
3 members

Literature, links & citation

Citations
  1. 2006www.its.caltech.edu (2006) http://www.its.caltech.edu/~chima/
  2. 2015Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter No 25. Mineralogical Magazine, 79 (3) 529-535 doi:10.1180/minmag.2015.079.3.02DOI: 10.1180/minmag.2015.079.3.02
  3. 2016Ma, C., Paque, J., & Tschauner, O. (2016). Discovery of Beckettite, Ca2V6Al6O20, a New Alteration Mineral in a V-Rich Ca-Al-Rich Inclusion from Allende. In Lunar and Planetary Science Conference, 47, 1704pdf).
  4. 2020(2020) Beckettite. Handbook of Mineralogy. Mineralogical Society of America
  5. 2021Ma, C., Krot, A.N., Paque, J., Tschauner, O., Nagashima, K. (2021): Beckettite, Ca2V6Al6O20, a new mineral in a Type A refractory inclusion from Allende and clues to processes in the early solar system. Meteoritics & Planetary Science, 56(12), 2265-2272.
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Beckettite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/beckettite-46545},
  note      = {Accessed 2026-05-11}
}