Velvet Obsidian Slab - Bright Magnetite with Wavy Flows halo pattern Weight: Approx: 11

Weight: Approx: 11

This fossil stromatolite from the Sahara represents billions of years of geological history

One lbs is often 2-3 handfuls

with attractive rough just now hitting the market

Piranha Agate Slab – Orange and red banding – Brazilian variety

Velvet Obsidian Slab - Bright Magnetite with Wavy Flows halo pattern Weight: Approx: 11Velvet Obsidian Slab Bright Magnetite with Velvety Wavy Flows Rare Mexican Volcanic Glass This beautiful slab of Velvet Obsidian features bright magnetite and velvety wavy flows throughout, creating a mesmerizing visual effect. The slab has very good potential and could produce some really nice cabochons or a gorgeous display piece of this amazing material. With the mine essentially depleted, slabs like this are becoming increasingly difficult to