RARE Fire Glass Buttes Obsidian Rough Chunk Thunder Egg Cheetah stone was discovered in

Cheetah stone was discovered in an apatite mine in Brazil

I am honestly unsure of what its composition is

it is easy to see why people have been long drawn to it

and this is some of the surface and or chunks dug near the surface

The other photos have been taken wet to simulate a polish

RARE Fire Glass Buttes Obsidian Rough Chunk Thunder Egg Cheetah stone was discovered inFire 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