Origin: Boarder of Jalisco and Zacatecas, Mexico
Description: There's Jasper, then there's Imperial Jasper and lastly there's Royal Imperial Jasper. Even more so, there is a seam version and a nodule. The nodules are the most highly prized because of the way the form the orbicular patterns.
Chemical Composition: SiO2
Grade: Semi Precious
Inclusions: Some cracks, some hollow spots in the center, and the outer shell is often too soft to work.
Cost per Gram: $0.60
Size approximately 1 pc: 57mm x 40mm x 26mm
Weight approximately 1 pc: 55g
Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.