Ilyukhinite

Ilyukhinite is a very rare mineral of the eudialyte group,[1] with formula (H
3
O,Na)
14
Ca
6
Mn
2
Zr
3
Si
26
O
72
(OH)
2
·3H2O
.[3] The formula given is simplified and does not show the presence of cyclic silicate groups. Ilyukhinite is the second group representative with species-defining hydronium ion after aqualite.[1]

Ilyukhinite
General
CategorySilicate mineral, Cyclosilicate
Formula
(repeating unit)
see text
Crystal systemTrigonal
Crystal classDitrigonal pyramidal (3m)
H-M symbol: (3m)
Space groupR3m
Unit cella = 14.1695, c = 31.026 [Å]
Identification
References[1][2]

References

  1. Mindat
  2. https://www.mineralienatlas.de/lexikon/index.php/MineralData?mineral=Ilyukhinite Mineralienatlas
  3. Chukanov, N.V., Rastsvetaeva, R.K., Rozenberg, K.A., Aksenov, S.M., Pekov, I.V., Belakovskiy, D.I., and Kristiansen, R., 2015, Ilyukhinite, IMA 2015-065. CNMNC Newsletter No. 28, December 2015, 1860; Mineralogical Magazine 79, 1859–1864

Further reading

  • Johnsen, O., Ferraris, G., Gault, R.A., Grice, D.G., Kampf, A.R., and Pekov, I.V., 2003. The nomenclature of eudialyte-group minerals. The Canadian Mineralogist 41, 785-794
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