Sandstone arch, medium Arizona Sierra Sandstone The pink chalcedony is thick

The pink chalcedony is thick

excellent clarity

or dendritic inclusions composed of green minerals like chlorite and celadonite that give the agate an appearance similar to moss

This specimen from the Glove Mine in southern Arizona looks messy and chaotic at first glance

enough to give the quartz a greenish tint

Sandstone arch, medium Arizona Sierra Sandstone The pink chalcedony is thickLocale: Arizona Approx size and weight variable by piece; dimensions at end These sandstone arches mimic the grand arches of Utahs national parks. They are made of Arizona Sierra sandstone sourced from central Arizona. Sandstone is a sedimentary rock composed of sand compacted and cemented together through geological processes, giving it a grainy texture. Sandstone with distinct layering like this is often called picture stone because the layers