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Source: ; English Wikipedia, original upload 3 August 2004 by Chris 73

Public domain This image is a work of the "Minerals in Your World" project, a cooperative effort between the United States Geological Survey and the Mineral Information Institute. The images were featured in the "Minerals and Materials Photo Gallery" on the website of the U.S House Subcommittee on Energy and Natural Resources. As a work of the U.S. federal government, the image is in the public domain.
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The following pages on Schools Wikipedia link to this image (list may be incomplete):

Schools Wikipedia and SOS Children

Through Schools Wikipedia, SOS Children has brought learning to children around the world. Thanks to SOS Children's Villages, 62,000 children are enjoying a happy childhood, with a healthy, prosperous future ahead of them. Sponsoring a child is the coolest way to help.