Chert and Flint and sedimentary formation
Re:
Re: Re: Re: Rare and tough material
-- frank
Post Reply
Edit
Forum
Where am I?
Posted by:
Beadiste
Post Reply
08/29/2018, 19:54:45
http://www.quartzpage.de/flint.html
Related link:
http://www.quartzpage.de/flint.html
© Copyright 2018
All rights reserved by Bead Collector Network and its users