Mineralpedia Details for Vantasselite
Named to honor Dr. Rene Van Tassel, who did extensive mineralogical research on Belgian minerals and was a mineralogist at the Royal Institute of Natural Sciences in Brussles, Belgium. Vantasselite is found on dumps from a quartzite quarry within quartz veinlets and along schistosity planes. Type locality is Bihain, Belgium, but also found in Germany and Japan.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/vantasselite.pdf