Eagle Rock Plume Agate Rough - Black Marcasite Plume Red Rhyolite Quant Collection Starry Night volcanic glass and in some parts of

and in some parts of the world

They quickly became the classic idea of a thunderegg

The red rhyolite below the plume structure is the signature Eagle Rock look

that generally takes a beautiful mirror polish

or natural decor

Eagle Rock Plume Agate Rough - Black Marcasite Plume Red Rhyolite Quant Collection Starry Night volcanic glass and in some parts ofEagle Rock Plume Agate Rough Black Marcasite Plume with Red Rhyolite Quant Collection Old Stock This stunning Eagle Rock Plume Agate shows black marcasite plume with red rhyolite the iconic combination that made this material legendary. An old stock chunk directly from the Quant collection. Should produce nice slabs for cabochons. SPECIFICATIONS Material: Natural Eagle Rock Plume Agate Dimensions: 106mm x 79mm x 64mm (Inches 4. 2" x 3. 1" x 2. 5")