Polished Agate Slice florescent from Kansas represents a remarkable

from Kansas represents a remarkable fossil discovery

Species: Aruacaria

calcium carbonate and silica

*Due to the size and weight of this wood slab

They lived in a humid and subtropical climate

Polished Agate Slice florescent from Kansas represents a remarkableThis is a gorgeous large, top quality polished agate slice specimen. Approx. dimensions: 8. 5" diameter x 0. 25" thick. Agate is a translucent variety of microcrystalline quartz. Agate generally forms by the deposition of silica from groundwater in hollow cavities of volcanic rocks. The coloration of agates is due to other minerals present in the silica. Agate has also been known to fill veins or cracks in volcanic rock. Such agates, when cut