how to facet
gemstone main cabochon creation
min data

Mineral: quartz
Gem: chapenite
Cut: freeform cabochon
Origin: California
General Info: Jasper is derived from the Anglo-French "jaspre", meaning "spotted stone". Jasper is usually formed from old sediments (or volcanic ash flows) that have been glued (and at times replaced) with silica.

Flow patterns of the original material are often easy to see. Many jaspers are know as picture jasper because they contain what appear to be small images of sand dunes, mountains, plains, and even sky. Since the original materials were likely cross bedded sediments, they often contain the structure they mimic.

Additional Information
Chapenite is a nodular jasper that was broken up (brecciated) by techtonic action, and then recemented with silica. It comes in a variety of colors and can be found at Siam Siding, in Ca.

All the stones were cut by the author. The forth stone has black jade edging.

Closeups of chapenite
Closeups of chapenite