Umbite (chemical formula ) is a potassium zirconosilicate

mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. (2011): Mi ...

found in northern

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. Named after Lake Umb (

Lake Umbozero Umbozero Lake (, named after the adherent Umba River) is located in Murmansk Oblast of Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, ...

), its type locality is Vuonnemiok River Valley,

Khibiny Massif The Khibiny Mountains ( ; ) 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, Khibinsky Mountains, Khibinsky Tu ...

, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia.

References

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