Agate is the name given to micro-crystalline quartz which is banded. These bands can be multicolored or different shades of the same color. Agates are nodules or geodes formed from gas-created voids which have become filled with silica in a volcanic environment. They usually have a white outer layer from weathering. If struck, they may chip or splinter.
Crystal structure: Hexagonal
Color: All colors, shadesand hues.
Agate - Enhances truth and brings forth understanding. Helps to see the crystalline structure within us all.