Umbite (chemical formula ) is a potassium zirconosilicate

mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. ...

found in northern

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

. Named after Lake Umb ( Lake Umbozero), its

type locality Type locality may refer to: * Type locality (biology) * Type locality (geology) See also * Local (disambiguation) * Locality (disambiguation) {{disambiguation ...

is Vuonnemiok River Valley,

Khibiny Massif The Khibiny Mountains (russian: Хиби́ны ; sjd, Umptek) is one of the two main mountain ranges of the Kola Peninsula, Russia, within the Arctic Circle, located between Imandra and Umbozero lakes. The range is also known as Khibiny Massif, ...

, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia.Handbook of Mineralogy (HOM - MSA) - Umbite
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References

Inosilicates Orthorhombic minerals Minerals in space group 19 {{silicate-mineral-stub