Welcome!

Green obsidean of slag?

Posted by Matt Whiting

Matt Whiting

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

Registered: 2 years 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????

Reply Quote

Attachments:
open | download - Resize of PA250175.JPG (109.6 KB)
open | download - Resize of PA250180 - Copy.JPG (51.8 KB)
open | download - Resize of P9100193.JPG (124 KB)

Antonio Borrelli

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

Registered: 6 years ago
Posts: 484

Slag.

___________
Antonio

Reply Quote

Uwe Kolitsch

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

Registered: 6 years ago
Posts: 9,695

Yep, slag.

Reply Quote

Donald Peck

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

Registered: 4 years ago
Posts: 923

Agreed

Reply Quote

Paul Brandes

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

Registered: 6 years ago
Posts: 1,310

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...

Reply Quote

Matt Whiting

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

Registered: 2 years ago
Posts: 2

Thank you for all your contrabutions.

Reply Quote

Forum List Message List Newer Topic Older Topic

Print View RSS

Author:

Your Email:

Subject:

Attachments:

Attach a file (photo)

Valid attachments: jpg, gif, png, pdf
No file can be larger than 1000 KB
3 more file(s) can be attached to this message

Help information

Spam prevention:

Please, enter the code that you see below in the input field. This is for blocking bots that try to post this form automatically. If the code is hard to read, then just try to guess it right. If you enter the wrong code, a new image is created and you get another chance to enter it right.

Enter code:

Message:

Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 16th Feb 2012 13:16:59