Sandstone arch, large Arizona Sierra Selenite I find cactus quartz to

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

The exterior displays ropy ramen-like growth patterns indicative of volcanic origins

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

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

and light green visible at the edges

Sandstone arch, large Arizona Sierra Selenite I find cactus quartz toLocale: 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