Sunday, September 23, 2012
Gypsum sand Crystals
Like this rock? It can be yours.... just come to the Rock Sale and buy it! Wheaton College Science Center, September 29, 2012!
Hemimorphite from Chihuahua, Mexico
Hemimorphite from Chihuahua, Mexico - another item for sale at the Rock Sale on Saturday, September 29, 2012.
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