18-03: Lecture ‘Gem or Scam?’ for LVGA Friesland
During the meeting on March 18, 2026, I will give a lecture on “Gem or Scam?” for the Frisian division of the national geological association…
Tag: Gem or Scam?
11-10: Lecture ‘Gem or Scam?’ for Geolithos
During a meeting of the Belgian geological society Geolithos on Oct. 11, 2025, I will give a lecture on “Gem or Scam?” at Evenementenhal Den…
17-9: Lecture ‘Gem or Scam?’ for Geode Zwijndrecht
During the club meeting of Sept. 17, 2025, I will give a lecture on “Gem or Scam?” for Geode Geological Society in Zwijndrecht (NL). In…
Scammite
Translated from the Dutch word “Belazeriet”, a cynical term by Rolf Egberink introduced in 2018 for minerals, rocks, gemstones or crystals that: are entirely man-made…
Consequences of Scammite
Learn about the consequences of "Scammite", including confusion, health risks and legal liability due to misleading naming. Be aware of blaming and sh…
Introduction: Gem or Scam?
On this introductory page, I explain exactly what "Scammite" (Belazeriet in Dutch) means, discuss different forms of Scammite, and how the Gem or Scam…
Live session #18 Gem or Scam?
Recorded live session in which I discuss and demonstrate all kinds of Scammite. I introduced the term Scammite (Belazeriet in Dutch) to refer to all…
Live session #20 Miscellaneous – minerals
Recorded live session showing, among other things, a number of new minerals I have added to my collection in recent times. Among others, a number…
