Many members will know Jacques Feijen. Today, he delivered a very interesting and well illustrated talk on the minerals of the Clara Mine, Germany. This Zoom session was recorded. You can watch the replay here…
Best viewed full screen and in HD.
Many members will know Jacques Feijen. Today, he delivered a very interesting and well illustrated talk on the minerals of the Clara Mine, Germany. This Zoom session was recorded. You can watch the replay here…
Best viewed full screen and in HD.