RARE Fire Glass Buttes Obsidian Rough Chunk Blue Opal It is considered one of

It is considered one of the five fine old stock jaspers

Arizona Petrified Wood

with high demand

Crazy Lace Agate is a highly popular and attractive Agate from the Desert of Mexico

I personally don't recognize it

RARE Fire Glass Buttes Obsidian Rough Chunk Blue Opal It is considered one ofFire Obsidian is a bright fiery flash, which can sometimes contain other bright colors. It tends to run along a strand, and takes a lot of practise, patience, and skill to cut slabs and cabs of it. It is one that is recommended for lapidary veterans. Fire Obsidian gets the color and flash from magnetite, which are tiny microscopic metal flecks, that are embedded within the volcanic glass. Fire Obsidian is easily one of the most rare forms of obsidian