The Spanish Point Agate mine is situated in close proximity to Hyattville in the Big horn County of Wyoming. Spanish Point Agate is a non banded chalcedony, which is very estimated because of its dendritic inclusions. The complex dendrites can reach 15 cm in diameter and are forming fantastic structures. The chalcedony-matrix can be bluish grey and translucent, but usuallyit  is opaque in white, cream and light to dark-brown tones.