200 kls. found crystals (not if emerald) in surigao del sur, phillippines...

[neklusus]

World Wad 2, yamashita.... We found 200 kls. (still in cement), can you help me to identify what is this? how much per gram? also we are looking for buyers..

thanks,

Keemen

 

[DocBeav]

Volcanic glass?

 

[coinman123]

Obsidian, same thing as Volcanic Glass (like DovBeav said)

Not worth much if anything, the chunk you have may be worth 25 cents to a rock collector, probably not much more.

 

[neklusus]

Obsidian, same thing as Volcanic Glass (like DovBeav said)

Not worth much if anything, the chunk you have may be worth 25 cents to a rock collector, probably not much more.

what was used obsidian or volcanic glass by japanese during worldwar 2? what used for during that time?