Browsing William S. Cordua, Ph.D by Title
Now showing items 60-79 of 89
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Old lead mines of Southeastern Minnesota
(St. Croix Rockhounds, Stillwater, MN, 1988) -
Peridot asteroid
(St. Croix Rockhounds, Stillwater, MN, 2000) -
Petrifying wood
(St. Croix Rockhounds, Stillwater, MN, 1992) -
Pieces of eight minerals
(St. Croix Rockhounds, Stillwater, MN, 2003) -
Pipestone voices
(St. Croix Rockhounds, Stillwater, MN, 1998) -
Placer gold from the St. Croix Dalles, Minnesota and Wisconsin
(St. Croix Rockhounds, Stillwater, MN, 1989) -
Rust minerals
(St. Croix Rockhounds, Stillwater, MN, 1996) -
Sick meteorites
(St. Croix Rockhounds, Stillwater, MN, 1995) -
Silicon, Silica, Silicates and Silicone
(St. Croix Rockhounds, Stillwater, MN, 1998) -
Telling meteorites from wrongs
(St. Croix Rockhounds, Stillwater, MN, 2010) -
Temples of galena
(St. Croix Rockhounds, Stillwater, MN, 1991) -
Thunder Bay Agate Mine
(St. Croix Rockhounds, Stillwater, MN, 2001) -
Titus and the glittering flakes
(St. Croix Rockhounds, Stillwater, MN, 2008) -
Titus and the glowing stone
(St. Croix Rockhounds, Stillwater, MN, 2007) -
Titus and the ugly rocks - a mineral mystery story
(St. Croix Rockhounds, Stillwater, MN, 2009) -
Treacherous mineral
(St. Croix Rockhounds, Stillwater, MN, 2002) -
Two faces of jade
(St. Croix Rockhounds, Stillwater, MN, 1997) -
What are those fibers in my rose quartz?
(St. Croix Rockhounds, Stillwater, MN, 2003) -
What the heck is limonite?
(St. Croix Rockhounds, Stillwater, MN, 2005) -
What's in a mineral name?
(St. Croix Rockhounds, Stillwater, MN, 1990)