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More Geology from About.Com – Rock Picture Gallery
June 17, 2008 | 1 | Peter Phillips
Click here for a rock picture gallery from About.com. The list shows 60 different stones under the classifications of Igneous, Sedimentary, Metamorphic and ‘Other’. ‘Other’ refers to some pretty specialized rocks such as Fulgurite and Thunder Egg.
If you want to skip straight to the slate entry, click here.