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  • Home /
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  • Obsidian (3 entries)
Obsidian rocks, Lipari, Aeolian Islands
Obsidian rocks, Lipari, Aeolian Islands by Michael Grund
Devitrification of Obsidian
Devitrification of Obsidian by Joel Gill
Obsidian rocks, Landmannalaugar, Iceland
Obsidian rocks, Landmannalaugar, Iceland by Ragnar Sigurdsson (arctic-images.com)
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