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Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8 |
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== Pranala luar ==
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* {{en}} [http://mineral.galleries.com/minerals/mineralo/obsidian/obsidian.htm Obsidian: Mineral galleries] {{Webarchive|url=https://web.archive.org/web/20070610063346/http://mineral.galleries.com/minerals/mineralo/obsidian/obsidian.htm |date=2007-06-10 }}
* {{en}} [http://volcanoes.usgs.gov/images/pglossary/obsidian.php USGS Obsidian photo glossary]
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