Sandstone arch, large Arizona Sierra Selenite The alternating zones of green

The alternating zones of green and purple muddle to give the material its distinctive inky grape-soda appearance

I find cactus quartz to be an inexpensive accent piece that can make an isopod terrarium look more magical

meaning the tip has not grown larger than the rest of the crystal

Microcline is a type of feldspar that forms opaque blocky geometric crystals

Sandstone arch, large Arizona Sierra Selenite The alternating zones of greenLocale: 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