Williamsite, named in honor of its discoverer, Lewis White Williams, is translucent and green in color with black inclusions. Examples of this stone bear a resemblance to jade. Found primarily in the eastern United States.

The natural patterns of agate form bands of color ranging from a deep blue to a pale, creamy blue.

lemon "chrysoprase" = citron magnesite

+/- 6x5 - 7x7mm