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Now showing items 1-6 of 6
Dense as a rock
(St. Croix Rockhounds, Stillwater, MN, 2001)
Lazulite or Lazurite?
(St. Croix Rockhounds, Stillwater, MN, 1999)
Feeling minerals
(St. Croix Rockhounds, Stillwater, MN, 2000)
Minerals of the wrong feather don't flock together
(St. Croix Rockhounds, Stillwater, MN, 1998)
Lustrous behavior
(St. Croix Rockhounds, Stillwater, MN, 1992)
Rust minerals
(St. Croix Rockhounds, Stillwater, MN, 1996)