devitrification |
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navigate by keyword : fayalite cristoballite obsidian devitrification magnetite mineral photography texture closeup detail abstract semiprecious raw unpolished stone rock gemstone micro sciense geology natural pattern precious rough color crystalline crystal macro gem crystallography sparkle facet gemology jewelry jewel structure surface background crack multicolor rockhounding collection high magnification extreme microscope image micrography microscopy scientific |
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Green brown fayalite on white Cristoballite, with black magnetite. Micro photography extreme close-up. Scpecimen from an obsidian from Cougar Butte, California, USA. |
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