Lingunite

NaAlSi3O8
IMA status
  • Approved
IMA symbol
Lgn
IMA approved
2004
Also known as
  • IMA2004-054
  • Linguniet
  • NaAlSi3O8-hollandite
  • +3 more

Where it forms, where it's found

Type locality
Sixiangkou meteorite
  1. Sixiangkou
  2. Gaogang District
  3. Taizhou
  4. Jiangsu
  5. China

32.4333°, 119.8667°

13recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Tetragonal
Space group
#135
Cell parameters
a = 9.263 Å · c = 2.706 Å

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen815.999127.992
48.81%
14SiSiliconSilicon328.08584.255
32.13%
13AlAluminiumAluminium126.98226.982
10.29%
11NaSodiumSodium122.99022.990
8.77%
Total262.219100.00%

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

From IMA formula

Synonyms

  • IMA2004-054
  • Linguniet
  • NaAlSi3O8-hollandite
  • Silicate Hollandite
  • UM2000-62-SiO:AlNa
  • Unnamed (Tetragonal analogue of Albite)

In other languages

German
IMA 2004-054 · Lingunit
Italian
lingunite
Chinese
玲根石

Classification

Strunz
10th ed.

9.FA.70

  • 9SilicatesClass
  • 9.FTektosilicates without zeolitic H2ODivision
  • 9.FATektosilicates without additional non-tetrahedral anionsGroup
  • 9.FA.70LinguniteSpecies

Group, growth & confusion

Commonly confused with
2 minerals

Literature, links & citation

Citations
  1. 1978Liu, Lin-Gun (1978) High-pressure phase transformations of albite, jadeite and nepheline. Earth and Planetary Science Letters, 37 (3) 438-444 doi:10.1016/0012-821x(78)90059-6DOI: 10.1016/0012-821x(78)90059-6
  2. 2000Gillet, P. (2000) Natural NaAlSi3O8-Hollandite in the Shocked Sixiangkou Meteorite. Science, 287 (5458). 1633-1636 doi:10.1126/science.287.5458.1633DOI: 10.1126/science.287.5458.1633
  3. 2000Tomioka, Naotaka; Mori, Hiroshi; Fujino, Kiyoshi (2000) Shock‐induced transition of NaAlSi3O8 feldspar into a hollandite structure in a L6 chondrite. Geophysical Research Letters, 27 (24). 3997-4000 doi:10.1029/2000gl008513DOI: 10.1029/2000gl008513
  4. 2001Xie Xiande, Chen Ming, Wang Deqiang, A. El Goresy (2001): NaAlSi3O8-hollandite and other high-pressure minerals in the shock melt veins of the Suizhou meteorite. Chinese Science Bulletin 46, 1116-1125.
  5. 2006LIU, X (2006) Phase relations in the system KAlSi3O8–NaAlSi3O8 at high pressure–high temperature conditions and their implication for the petrogenesis of lingunite. Earth and Planetary Science Letters, 246 (3) 317-325 doi:10.1016/j.epsl.2006.04.016DOI: 10.1016/j.epsl.2006.04.016
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Lingunite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/lingunite-27497},
  note      = {Accessed 2026-05-11}
}