Unpolished slab of Lysite Agate, also known as Wyoming Blizzard agate, which is a type of vein agate found on Lysite Mountain in Wyoming.This agate is characterized by its lace-like banding and variety of colors, typically ranging from reds and browns to white or clear, interlayered with calcite-based material.It forms in silica-rich volcanic ash and is a type of chalcedony, a microcrystalline quartz.
