A visitor examines a crystalline rock named sylvinite at the Central Scientific Research Geological Survey Museum named after Academician F.N.Chernyshev.
- Package: Central Scientific Research Geological Survey Museum named after Academician F.N.Chernyshev
- Categories: Arts, Culture & Entertainment
- Location: Russia
- Event date: 02.03.2015
- Date published: 02.03.2015
- Author: Alexander Demianchuk
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 4205x3021px, 5.9Mb