Rocks: Difference between revisions
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Granite, Chalk, Shale, Talc, Sandstone | Granite, Chalk, Shale, Talc, Sandstone, Pyrite, Gypsum, Obsidian, Quartz | ||
Revision as of 05:07, 3 December 2004
Granite, Chalk, Shale, Talc, Sandstone, Pyrite, Gypsum, Obsidian, Quartz