Umbite

Image

Pinkish white crystals of the rare zirconium mineral umbite named after the Lake Umb, 20km east of the type occurrence in Vuonnemiok River Valley (Khibiny Massif, Murmansk Oblast, Russian Federation)

© Photo by David Hospital (via Wikimedia Commons), CC-BY-SA 4.0

Properties

Formula K2ZrSi3O9·H2O
Abbreviation Umb
Luminescence emitters n(TiO6) cluster, TiO6
IMA Status Approved (IMA 1982-006)
Search other databases webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Kostylevite
Tags Mineral, Silicate , Hydrated

Composition

Element Atoms
Si 3
O 10
H 2
Zr 1
K 2
Total: 18

Reference

Reference Lines Spectra Images
Gaft et al. 1981; Khomiakov 1995 2 0 0