Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Group...
Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Group...
Presentation :
Names) :
Obsidian / Volcanic glass.
Etymology:
Obsidian: Named after the Roman Obsius, who is believed to have discovered this stone in Ethiopia.
Gro...
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