Rock City Park’s 10th annual Gem-Mineral-Fossil Show is slated from 9 a.m. to 5 p.m. Sept. 30 to Oct. 1, five miles south of Olean, N.Y., at 505 Route 16 South.

Guests will have the opportunity to view and purchase a wide variety of gemstone jewelry and rough mineral and rock specimens, fossils, crystals, beads and mineral-related crafts. Tom Ennis with  TJ’s Rock and Gem Crafts will hold demonstrations on splitting or halving geodes.

For vendor registration, contact Theresa Smith at rockcitypark@hotmail.com or 716-560-8562 or Cynthia Smith at 716-560-8579.