Turritella Agate Natural 8mm Round - 15-16 Inch hps_04162026 but can be distinguished by

but can be distinguished by its structure and its lower relative hardness

This macrocrystalline Quartz stone has chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

The presence of Manganese in the stone produces its color

yellow and brown

Turritella Agate Natural 8mm Round - 15-16 Inch hps_04162026 but can be distinguished byTurritella Agates rich brown and black colors are patterned with the fossilized remains of sea creatures millions of years old. The name Turritella comes from the name of the genus of marine gastropod mollusks whose remains are seen within the stone. Like other Agates, Turritella Agate is a variety of Chalcedony, a mineral of the Quartz family. Agate has been discovered with artifacts from cultures of the Neolithic Period, also known as the Stone Age,