Calcite from selected localities.
Canada | |
| Jean-Yves LAMOUREUX |
| Horváth Collection - confirmed by visually |
| Horváth Collection - confirmed visually |
| Jean-Yves LAMOUREUX |
Canada | |
| Jean-Yves LAMOUREUX |
| Horváth Collection - confirmed by visually |
| Horváth Collection - confirmed visually |
| Jean-Yves LAMOUREUX |
Saint-François quarry, Saint-Germain-de-Grantham, Drummond RCM, Centre-du-Québec, Québec, Canada