Hydroterskite

Hydroterskite
General
Category Silicate
Formula
(repeating unit)		 Na2ZrSi6O12(OH)6
Crystal system Orthorhombic
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space group Pnca
Unit cell a = 13.96, b = 14.89,
c = 7.44 [Å] (approximated), Z = 4
Identification
References [1][2]

Hydroterskite is a rare zirconium silicate mineral, related to terskite (hence its name), with the formula Na2ZrSi6O12(OH)6. It was discovered in the Saint-Amable sill near Montréal, Québec, Canada.[1] It is hydrous, when compared to terskite.[2] Chemically similar minerals include litvinskite and kapustinite.[3][4]

References

  1. 1 2 Grice, J.D., Rowe, R., and Poirier, G., 2015. Hydroterskite, IMA 2015-042. (2015) Hydroterskite, IMA 2015-042. CNMNC Newsletter No. 27, October 2015, 1224; Mineralogical Magazine 79, 1229-1236
  2. 1 2 "Terskite: Terskite mineral information and data". Mindat.org. Retrieved 2016-03-12.
  3. ↑ "Litvinskite: Litvinskite mineral information and data". Mindat.org. Retrieved 2016-03-12.
  4. ↑ "Kapustinite: Kapustinite mineral information and data". Mindat.org. Retrieved 2016-03-12.
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