Sandstone arch, small Arizona Sierra Chalcopyrite Epidote grows long slender prismatic

Epidote grows long slender prismatic crystals with saturated olive green color

This is actually the specimen I used to demonstrate how to identify a repaired mineral

a layer of hematite-included calcite is deposited on the surface during a later phase of growth

most visible on the side where if forms white rings

(The light blue flecking is dust 🫣)

Sandstone arch, small Arizona Sierra Chalcopyrite Epidote grows long slender prismaticLocale: 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