RARE Fire Glass Buttes Obsidian Rough Chunk Mahogany Obsidian This is a tumbling sized

This is a tumbling sized box

nor does it appear to be a type of marble

Weight: Approx 26

This listing is for ONE random pull Grade A Dawn Redwood Metasequoia Plate Fossil Plate from the Muddy Creek Formation of Montana

Each Knightia fossil has been lightly cleaned to enhance visibility but contains no added artistic restoration—what you see is purely natural

RARE Fire Glass Buttes Obsidian Rough Chunk Mahogany Obsidian This is a tumbling sizedFire 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