RARE Fire Glass Buttes Obsidian Rough Chunk Lapidary Stone Magnetite vivid crimson hues A solid 4-pound cutter ready

A solid 4-pound cutter ready for multi-slab production

and it should make spectacular cabochons

Durable and polishable—perfect for showpiece cabs

👉 This stone is not polished

This stunning large slab of Utah Septarian Nodule shows excellent lightning strike pattern with the calcite center beautifully displayed

RARE Fire Glass Buttes Obsidian Rough Chunk Lapidary Stone Magnetite vivid crimson hues A solid 4-pound cutter readyFire 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 practice, 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