Roumanie (3) Roumanie (3) Mountains (2) Montagnes (2) Die (2) Lorraine (1) Composition (1) Centennial celebrations, etc (1) Anniversaries, etc (1) Observations (1) Observations (1) Anecdotes (1) X-rays (1) Wealth (1) Turnover (Business) (1) Thermal analysis (1) Speleology (1) Skarn (1) Sedimentology (1) Plains (1) Physics (1) Pegmatites (1) Indigenous peoples (1) Karst (1) Hydrology, Karst (1) Holes (1) Hand (1) Geochemistry (1) Feldspar (1) Crystals (1)