The Netherlands is not rich of minerals, so next to visiting some older mining locations in the east and south one needs to be creative and also look at dikes and search for slag material and minerals on imported bolders. Watch my video on minerals from South Limburg Slags [NL], Brunssum (Hendrik) and Kerkrade (Willem-Sophia) [NL], Port of Rotterdam or Krimpenerwaard/Lopikerwaard [NL]. Or on Lapis Philosophorum, by dr. K. Jung…

Hendrik and Willem-Sophia

Watch this video on minerals from Krimpenerwaard and Lopikerwaard Netherlands. The suspected origin is also mentioned.

Watch this video on minerals from Rotterdam:

Watch this video from Karl Jung for the real Lapis Philosophorum, connected to the manuscript.