Due to the Covid-19 pandemic, we do not know when California gem and minerals shows will resume. We will update our schedule when we have information on future shows.
Follow us on Instagram at #wonderworks_minerals for additional updates.
Be well and stay safe!
Richard and Cheryl.
Hello and thanks for visiting our web site! Our names are Richard & Cheryl Sittinger, and we have been displaying amazing minerals, tumbled stones, gemstones, and beads at gem & mineral shows since 1995! Our shows are primarily in California where we live, plus the two biggest shows of the year, in Tucson every January/February, and in Denver every September.
Please come and visit us at the show nearest to you and see our amazing selection of treasures from the earth, or contact us if there is something specific you are looking for.
Santa Clara County Fairgrounds
344 Tully Road
San Jose, CA
$6.00 for adults, Children under 12 free. Scouts in uniform are free with an adult. Free admission to active duty, retired military, their dependents with military ID and former military with VA ID card.
Wonderful New Location for the West Coast Gem & Mineral Show!
The show has moved to:
The Hilton Orange County / Costa Mesa
3050 Bristol St.
Costa Mesa, CA 92626
This new location is minutes away from the old location. The promoter says there is lots and lots of parking! Admission is still free and parking is $10/day.
We’re loving the new location because we have a large booth in the main hallway adjacent to the wholesale ballroom entrance. Lot and lots of space to display our amazing selection of colorful minerals, high quality tumbled stones (100 plus varieties including hard-to-find stones,) gemstone bracelets, beads, and necklaces, Ajoite and Papagoite, Moldavite rough pieces and sterling silver pendants, faceted Sphalerite gemstones, Specularite, and much more!And of course more space in the back of the booth for our 50% clearance area.