Sandstone arch, small Arizona Sierra Garden quartz The broken ends of stalactites

The broken ends of stalactites reveal a curiosity: some are hollow

highlighting the fluorite's cleavage planes

and light green visible at the edges

but it's still one of my favorites due to the exquisite details

it is more appropriately called hedenbergite quartz

Sandstone arch, small Arizona Sierra Garden quartz The broken ends of stalactitesLocale: Arizona Approx size and weight 1 31 lb, 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