Umbite

Potassium zirconosilicate mineral
K2ZrSi3O9·H2OIMA symbolUmb[1]Strunz classification9.DG.25Crystal systemOrthorhombicCrystal classDisphenoidal (222)
H-M symbol: (222)Space groupP212121Unit cella = 10.2 Å, b = 13.24 Å
c = 7.17 Å; Z = 4IdentificationColorcolorless, light yellowLustervitreousReferences[2]

Umbite (chemical formula K2(Zr,Ti)Si3O9·H2O) is a potassium zirconosilicate mineral found in northern Russia. Named after Lake Umb (Lake Umbozero), its type locality is Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia.[3][4]

References

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Mindat
  3. ^ Webmineral.com - Umbite
  4. ^ "Handbook of Mineralogy (HOM - MSA) - Umbite" (PDF). Archived from the original (PDF) on 2019-05-08. Retrieved 2013-01-25.


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