Polished Agate Slice rose aesthetic shape

aesthetic shape

involute shell with a generally smooth or slightly ribbed surface

Alethopteris grandini is a classic and widely recognizable Pennsylvanian-age seed fern (Pteridosperm) commonly found in the Carboniferous coal measures of North America and Europe

The cave lion received its common name from the fact that large quantities of its remains are found in caves (Arduini and Teruzzi 1993)

Polished Agate Slice rose aesthetic shapeThis 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