Eagle Rock Plume Agate Rough - Black Marcasite Old Stock picture jasper variety Lapidary artists love this material

Lapidary artists love this material for its ease of cutting and eye-catching designs

Ideal for jewelry

being from a formation that dates back to the Jurassic period

though given they were found in a small fossil-bearing formation

• Cabochon cutting (especially after bleaching)

Eagle Rock Plume Agate Rough - Black Marcasite Old Stock picture jasper variety Lapidary artists love this materialEagle Rock Plume Agate Rough in the black marcasite variety, from the original Bill Quach collection of Central Oregon old stock. With this variety, look for the white inclusions visible from outside, which typically reveal black marcasite plume and often blue agate with marcasite running through it. A true old stock cutter from Prineville area history. SPECIFICATIONS Material: Natural Eagle Rock Plume Agate Dimensions: 114mm x 68mm x 52mm (Inches 4.