Quartz
Snyder Quarry, Snyder, Kiowa County, Oklahoma, USA
Quartz crystals on massive epidote, 45 mm. across, etched from calcite. I was allowed to visit this quarry with the manager while doing some geological work in the area in 2000. For anyone who's wanted to collect there, my impression was, there's very little in the way of free-standing crystals, the granite is very tight. Granite from this quarry ...
© Kelly Nash