Iriginite, Umohoite
Kyzylsai Mo-U deposit, Chu-Ili Mountains, Ulytau District, Ulytau Region, Kazakhstan
Yellow crystalline films of Iriginite in fissure within rhiolite. Associated mineral is green platelets of Umohoite, replaced by compact bright-yellow Iriginite of more former generation. Specimen size is 4x3.5x1 cm and its radioactivity 39 μR/h. Collected by Larisa N. Belova in the end of 50th. Pavel M. Kartashov collection and scan.
© Pavel M. Kartashov collection & photo