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Obsidian Or Coal?


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Chip off a piece, if you can see through it, maybe obsidian.

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If you can cut it with a pocket knife as in cut pieces off of it fairly easily it definitely isn’t obsidian. If you hammered a piece of obsidian with a pocket knife you might get a piece of the obsidian to fracture into a glass-like sliver. Hopefully you are wearing hand and at least eye protection. Obsidian can really be dangerous.

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That must have been a large stocking that Santa Claus left this in.

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