IMP523 Royal Imperial Jasper Specimen Keystone some with marcasite tips

some with marcasite tips

34mm x 38mm

25" x 4" polished face

This specimen pair features tan

and yellow banded agate

IMP523 Royal Imperial Jasper Specimen Keystone some with marcasite tipsThis polished Royal Imperial Jasper piece has a chalky cream outer nodule with egg patterning and horizontal banding in brown, green, and blue jasper. 5. 1cm x 3. 5cm polished surface Approx. 1 3 4" deep 3. 8oz Imperial Jasper comes from central Mexico, near the border of Zacatecas and Jalisco and north of the city Guadalajara. It is known for the size of the jasper deposit, its formation in both veins and nodules, and its ability to form the "egg