In this section I will try to report on the activities that I take part in. Collecting trips, meetings, symposia, lectures. Click on the photos to see the whole message. If you would like to comment or have questions, please use the guest book to do so.
Just for fun I have produced a year calendar 2026, format A4, with photo's of the variety of microminerals from Lavrion in Greece, where my collector friends and I go evert second year to hunt for minerals. Here a few page examples. If someone would like to receive one, then that is possible at cost price: € 15 within NL,...
Yesterday I received the first copy of the brandnew book "The fine art of microminerals Lavreotiki". Lavreotiki is the region around Lavrio in Greece where a few of my collector mates and I go every second year to hunt for minerals. The book is a tribute to the fantastic microminerals that are found there, and with a feeling of pride...
Yesterday evening I was the guest of the geological association "Mente et Malleo" in Weert, the Netherlands. I was invited to give my presentation on the microminerals of the EIfel in Germany, which - of course updated with the latest new photos - I did with the same pleasure as always, for a vivid and enthousiastic audience. Here a...
On September 13th and 14th 2025 I participated for the first time in the international micromount exchange event in Cremona, Italy, organized by the Gruppo Mineralogico Cremonese. In total there were some 75 participants, a number of whom I already knew from online contacts, but whom I met for the fist time in person. The event was very...
On Friday November 8th I was the guest of the Geologische Vereniging Zwolle - in English the Geological Society Zwolle - in the northern part of the Netherlands. I was invited to do my new presentation called "Microminerals from the Eifel". As the audience was very interested, enthousiastic and asked many questions it was a pleasure to do it....
As I already told some time ago, in 2023 three of my friends and I went to the Azores for a mineral collecting trip. Now I have produced an article on the harvest of that trip, which was published recently in the november edition quarterly magazine Conglomeraat from the LVGA, our Dutch national association for geology and mineralogy. In Dutch...
During the weekend from September 13th to 15th the yearly conference of the British Micromount Society took place in Droitwich near Birmingham/England. There were over 50 participants, 3 of which from France and myself as the only one from the Netherlands. Besides the very pleasant meetings with old and new friends and a number of interesting...
Yesterday evening it was my turn again to do on online presentation in the Micromount Zoom Club. The topic this time were the regions and microminerals of Italy, the country that I have visited many times. Today I did part 1 of the story, part 2 will follow in July. Here the YouTube link to the presentation yesterday: https://youtu.be/PYCSvRobphA ...
La Marsiliana near Massa Marittima is one of the places in Tuscany/Italy where nowadays slag minerals, dating from Etruscan times, still can be found. In march 2024 my article on the subject was published in Conglomeraat, the quarterly magazine of the LVGA, the Dutch national association for geology and mineralogy. It is in Dutch, if you wish to...
This is one of the very few specimens of the sulfosalt baiamareite, a newly discovered mineral that is only recently been approved by the IMA. On the photo one of the pieces from the original batch, found by Gábor Koller, that was analysed at Harvard University. This particular specimen is in the collection of André Robbemond. From the Sāsar Mine,...