Ocean Jasper: A Natural Wonder and a Geological Mystery

Explore the natural wonder of one of the most important petrological discoveries of the last 20 years, the spectacular Ocean Jasper or “Spherulitic Chalcedony” of Madagascar. Coveted by collectors, lapidaries and the jewelry market, this amazing material has become exceedingly rare as large-scale high grade specimens, and remains a geological mystery to petrologists. Find out why conservation efforts are important to preserve remaining large-scale specimens for classification and research studies. Includes full color images of many beautiful specimens.