Gorgeous Agates That Naturally Look Like Landscape Shots

Photo Credit: bijoux-et-mineraux.tumblr.com Agate is a crystalized form of silica, made up primarily of chalcedony, a type of quartz that is composed of very fine intergrowths of the minerals quartz and moganite. They form primarily in cavities of volcanic rock by the deposition of silica from groundwater that seeps through the rocks. Agates are known […]