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Green obsidean of slag?

Posted by Matt Whiting

Matt Whiting

Green obsidean of slag?
November 07, 2009 04:30PM

Registered: 17 days ago
Posts: 2

These were collected from an old dump site many years ago. They have the same properties an obsidean but i have not seen green obsidean before. Any ideas of what it is????

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Antonio Borrelli

Re: Green obsidean of slag?
November 07, 2009 04:46PM

Registered: 3 years ago
Posts: 370

Slag.

___________
Antonio

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Uwe Kolitsch

Re: Green obsidean of slag?
November 07, 2009 06:51PM

Registered: 3 years ago
Posts: 6,821

Yep, slag.

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Donald Peck

Re: Green obsidean of slag?
November 08, 2009 04:58PM

Registered: 2 years ago
Posts: 662

Agreed

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Paul Brandes

Re: Green obsidean of slag?
November 08, 2009 10:03PM

Registered: 3 years ago
Posts: 222

I agree as well; slag. We used to find a lot of this material along the Lake Superior shoreline between Munising and Marquette, Michigan near the old iron ore smelters...

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Matt Whiting

Re: Green obsidean of slag?
November 10, 2009 02:23AM

Registered: 17 days ago
Posts: 2

Thank you for all your contrabutions.

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