For rockhounds, teachers and mineral lovers!

Terra Harmonia -Resources for Rock Clubs and Rockhounds

How Kalamazoo and Minnesota Clubs Grew Their Rock & Gem Shows!

How Kalamazoo and Minnesota Clubs Grew Their Rock & Gem Shows!

by regina kapta
How 2 rock clubs used Facebook  in 2018 as their primary method of advertising their shows, what was involved, and how successfully it worked.
AFMS American Federation of Mineralogical Societys crystals gem Mineral shows Kalamazoo rock club Midwest Federation of Mineralogical Societies rock clubs rock shows rockhound