Mineral - Pyrop
Mineral - Amethyst
Eduard Suess - Geologist
Orthoclase - Mineral
Marcasita
Alexander Petrovich Karpinsky - Geologist
Minerals
Minerals - Crystal
Giant s Causeway N. Ireland
Hateno Beach - White sand
Geophysical Symposium
Antoni Laszkiewicz - Mineralogue
Quartz crystal - Mineral
Hemimorphite - Crystal
Lead crystal
Minerals / Fossils Exhibition
Mineral - Lapis
Geological Survey - Energy - Mines - Resources
Volcano - Volcanism
