“Geode with blue celestine crystals inside and red celestite colored by hematite inclusions in geode's periferal part. Ruler in santimeters.
Fersman Mineralogical Museum (Moscow, Russia) specimen # OP2183. Collected by museum staff (D.Romanov, D.Abramov, A.Nikiforov) in 1987. Specimen lenght -18 cm”
Dmitriy Belakovskiy - 2nd June 2009