Ohio

state director

 Tom Kottyan, P.O. Box 308, Bucyrus, OH 44820; (419) 562-1152;  themineralhouse@netzero.net  

clubs 

Akron Mineral Society, Cuyahoga Falls

Cincinnati Lapidary & Faceting Society

Cincinnati Mineral Society, Cincinnati

Columbus Rock & Mineral Society, Columbus

Dayton Gem & Mineral Society, Inc., Dayton

Miami County Gem & Mineral Club, Troy

Mineralogical Society of Cleveland, Cleveland Heights

Richland Lithic & Lapidary Club, Mansfield

Stark County Gem & Mineral Club, Canton

Summit Lapidary Club, Cuyahoga Falls

Toledo Gem & Rockhound Club, Toledo