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What are those fibers in my rose quartz?
(St. Croix Rockhounds, Stillwater, MN, 2003)
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)