The Heart of Wisconsin Gem and Mineral Society's Annual Show
The 46th annual show (2019) will be held at the Marshfield High School Field House, 1401 E Becker Rd, Marshfield, WI on Saturday, May 4th - 10 a.m. to 5 p.m. and Sunday, May 5th - 10 a.m. to 4 p.m.
Saturday, May 4th:
11:00 AM – Carlos Peralta from Madison will present: “Great American Opals” (Rainbow Ridge, Spencer, Juniper Ridge)
1:30 PM — Mike Riesch from Earthaven Museum in Gillett, WI will present: “Herkimer Diamonds”
Sunday May 5th :
1:00 PM – Carlos Peralta from Madison will present: “The Dust Devil Sunstone Mine in Oregon”