Ocean Jasper 17-28x32-48mm A Grade Medium Free Form Cabochon Stone Type_Blue and Yellow Tiger Eye It is sometimes used for

It is sometimes used for scalpel blades in cardiac surgery

a microscopic protozoa with a silica shell

Dutch Colonel Hendrik Von Prehn

as well as gray and white inclusions in marbled patterns

Ocean Jasper 17-28x32-48mm A Grade Medium Free Form Cabochon Stone Type_Blue and Yellow Tiger Eye It is sometimes used forOcean Jasper is a commercial name for Orbicular Jasper, a variety of Jasper containing variably colored spherical patterns. It forms when Quartz and Feldspar crystallize in radial aggregates within other silica to rich stones, Rhyolite or Tuff. Ocean Jasper is believed to be linked to the lost city of Atlantis and to hold mystic knowledge. Sold individually. These cabochons are all unique and vary in colors and patterns. The image shown has 3