Mineral: 115 Posts
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03/22/11 Rubies and Lapis Lazuli
08/16/10 Blue Spring, Missouri
04/24/10 Sinai Desert Geode
04/20/10 Marooned Syncline
01/15/10 Swiss Stone Pine
01/06/10 Champagne Pool
11/20/09 Witches Brew at Berkeley Pit
10/19/09 Sidewalk Chalk and the Calcium Cycle
10/17/09 Pyrite Crystal
08/21/05 Nickel Mine Slag
08/02/05 Baltic Amber
03/18/04 Chrysotile
01/09/04 Black Hills Flume