Geschichte: This finding was by chance a few years ago. I found a round stone and split it. Inside was a geode of shiny quartz crystals. I really liked it and I began to look around. Soon I found a few more similar stones. It was exciting!
Geologie: Flint is a hard sedimentary rock. It is a form of microcrystalline quartz. Flint was widely used historically to make stone tools as it breaks into sharp-edged pieces. It can also be used to ignite a fire.