Search Webmineral :
A to Z
Mineral of the Month Club
Join the club, silver, gold and platinum-level memberships available as low as $10.00 a month
High quality mineral specimens mailed to your home or school each month
An affordable way to build your collection
Prismatic crystals of Aeschynite-(Ce). Crystals were mined in 1911-1912 during works of Alexandr E. Fersman's Radium Expedition on the mine. Measured radioactivity is 183 µR/h.
Blyumovskaya Pit (Blum Pit; Pit No. 50), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia.
Largest crystal size is 28x16x8 mm.
Pavel M. Kartashov
This Image has been shown 18638 times