Stanislav Winkelhofer

9 Flips | 1 Magazine | 1 Following | @stenwink | Keep up with Stanislav Winkelhofer on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Stanislav Winkelhofer”

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Geology Page

Roland Noack

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How Do Diamonds Form? | They Don't Form From Coal!

<b>Rocks:</b> Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.<p><b>Minerals:</b> Information about ore minerals, gem materials and …

Pictures of Opal - Black, Fire, Boulder, Rough, Jelly, Crystal

<b>Rocks:</b> Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.<p><b>Minerals:</b> Information about ore minerals, gem materials and …

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