Indiana

P O Box 2023, Nashville, IN 47448; (812) 320-6237

Facebook: Brown County Rock and Mineral Club

Meeting: 3rd Saturday, Oct to March 2 pm; Apr to Sept 5 pm; Brown County Historical Society, 90 E. Gould St., Nashville

Kid friendly, field trips, rock show, educational outreach

1870 W 58 Ave, Merrillville, IN 46410

Meetings: 1st Thursday, 1 North Pennsylvania St., Hobart

Kid friendly

Eastern Indiana Gem & Geological Society

P O Box 274, Centerville, IN 47330

Meetings: 1st Thursday, 6:30 pm, 5199 National Rd., Centerville

Kid friendly, lapidary workshop, rock show

Evansville Lapidary Society

1304 N. Willow Rd., Evansville, IN 47711

Meetings: 3rd Monday, 11 am & 7 pm alternate months, 1304 N. Willow Rd.

Kid friendly, lapidary workshop, field trips, rock show, educational outreach

Indiana Society of Paleontology

11202 Bridlewood Trail, Zionsville, IN 46077

Meetings: June 28, 2025, 2 pm, Lawrence County Fairgrounds; Sept. 6, 2025, 2 pm, Hancock County Fairgrounds

Field trips, educational outreach

13101 E 250 N, Loogootee, IN 47553

Meeting: 7 pm, 1st Saturday, Stone Gate, 931 - 15th St., Bedford

Kid friendly, field trips, rock show

Michiana Gem & Mineral Society

11923 McKinley Hwy, Mishawaka, IN 46545

Meetings: 4th Sunday, 2 pm, Our Redeemer Lutheran Church, 8055 29th St., South Bend, IN

Kid friendly, lapidary workshop, field trips, rock show, educational outreach

The 500 Earth Sciences Club of Indianapolis

P O Box 90352, Indianapolis, IN 46290

Meetings: 2nd Sunday, 2-4 pm; Eagle Branch INDPLS Public Library, 3905 Moeller Rd., Indianapolis

Field trips, rock show, educational outreach

Three Rivers Gem & Mineral Society

P O Box 13252, Fort Wayne, IN 46868

Meeting: 4th Wednesday, 7 pm, 6032 Highview Dr., Suite F, Fort Wayne, IN 46818

Kid friendly, field trips, rock show, educational outreach