The mineral display in the Ohio History Center in Columbus, Ohio includes examples of quartz, hematite, and flint.
Northwest Mineral Gallery: Washington Quartz (Photo Diary)
Mineral Museum: Quartz (Photo Diary)
Northwest Mineral Gallery: Pyrite (Photo Diary)
Northwest Mineral Gallery: Stilbite (Photo Diary)
Northwest Mineral Gallery: Calcite (Photo Diary)
Rock Museum: A Worldwide Collection of Minerals (Photo Diary)
Mineral Museum: Copper Minerals (photo diary)
Mineral Museum: The Thompson Collection of World Minerals (Photo Diary)