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What are those fibers in my rose quartz?
(St. Croix Rockhounds, Stillwater, MN, 2003)
Blue, blue, my quartz is blue
(St. Croix Rockhounds, Stillwater, MN, 1995)
What's the world's most common mineral?
(St. Croix Rockhounds, Stillwater, MN, 2004)
Diamond-wrongs
(St. Croix Rockhounds, Stillwater, MN, 2008)
Graphic granite
(St. Croix Rockhounds, Stillwater, MN, 2008)