 Pyrite (Fontoy) |
 Calcite (Algrange) |
 Mycelium covered with calcite deposites |
 Pyrite & Calcite |
 Calcite (Algrange) |
 Calcite (Fontoy) |
 Calcite (Fontoy) |
 Calcite (Fontoy) |
 Ammonite with calcite xx |
All the minerals shown above come from iron mines in the region of Fontoy, Lorraine, France.
Unfortunately today these mines are no longer accessible.
(If this statement should be wrong, please let me know!)