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Сообщение от Cyril Syzransky ; 2677451 "

Obsidian ... What is this?
No, of course I looked, but what is it? As the material for the product , or as an interior decoration ?

He has and is being used for " witchcraft " , " mirror visions " of the Aztecs, the ancient Slavs to the present.
  « I have long looked into a crystal - and finally saw ." May 25, 1581 John Dee

Сообщение от zarajara; 2677831"

This volcanic glass . In this country it is usually from black to red and terracotta this , but I recently saw a Malaysian , it seems , they have a blue and green and tea .
Here blue with Java. http://www.bidorbuy.co.za/item/86356...30_000_00.html
Green also from Java
http://www.ebay.com.au/itm/31-44CTS-...-/360430754328

Very beautiful!