Home > Laskowski Ⅵ – July 29 > MS1923 Umbite
Umbite
- Koashva open pit
- Mount Koashva
- Khibiny Massif
- Kola Peninsula
- Russia
- 4.1 × 2.6 × 1.5 cm – Miniature specimen (fits into a 5 cm cube)
Umbite is a hydrous potassium zirconium silicate. Khomyakov et al. (1983) named the mineral after Lake Umbozero, which separates the Khibiny and Lovozero Massifs.
Umbite forms bladed crystals in a cavity left by leaching a eudialyte crystal. The matrix consists of microcine and aegirine. From the collection of E.R. Laskowski (1949-2020), a mining engineer who retired to Tucson, Arizona.
Price: $75
Item code: MS1923
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