Ocean Jasper 6mm Round 15-16 Inch Lepidolite Mix Blue Tiger Eye is a

Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

and comes in a range of other colors

or merlinite

Hematite is black to steel-gray or silver-gray

Robles is a light

Ocean Jasper 6mm Round 15-16 Inch Lepidolite Mix Blue Tiger Eye is aOcean 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 rich stones, Rhyolite or Tuff. Ocean Jasper is believed to be linked to the lost city of Atlantis and to hold mystic knowledge.