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obsidian in pa

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Justin Snyder:

--- Quote from: mullet on October 06, 2007, 07:06:00 pm ---   Are you sure it's not hard shiney coal?

--- End quote ---
Its real easy to tell.  Just hold the rock in your hand and smack it with a hammer.  If you still have all your fingers and don't need stitches, its not obsidian.   ;D Justin

jamie:
dude !!!!!!!! ;D ;D ;D ;D ;D ;D ;D ;D ;D

mitchman:
ill post pics later i have one piece thats about two pounds and a piesce thats like a quarter of a pound. the light one is half obsidian(like i think it cooled too slowly) its all bubbly .

mitchman:
here are the pics.

[attachment deleted by admin]

mullet:
  If it's bubbly,I'm betting on slag glass.

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