Sandstone arch, small Arizona Sierra Chalcopyrite when exposed to UV light

when exposed to UV light this area of the quartz glows as if more hyalite is trapped inside the point

It is often cut into flat slabs to best show the pattern

Epidote grows long slender prismatic crystals with saturated olive green color

The specimen is attached to a rock matrix with a few small pockets of malachite

Sandstone arch, small Arizona Sierra Chalcopyrite when exposed to UV lightLocale: 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