“Deep blue, massive ilsemannite, hosting 4 mm wide snow-white aggregate of rostite microcrystals. The minerals could have been collected thanks to the support of The Warsaw University and The Explorer's Club (N.Y.), during student's journey in 2004 (guided by Tomasz Segit).”

“Sugar-like rostite on deep blue massive amorphous ilsemannite. Field of view is 1 cm. The minerals could be collected and researched thanks to the support of The Warsaw University and The Explorer's Club (N.Y.), during student's journey in 2004 (guided by Tomasz Segit).”