Sandstone standing freeform, small Arizona Sierra Pick your own...:E which is unusual given that

which is unusual given that it typically forms on the quartz surface (I didn't do the best job of photographing it

Approx weight each coaster weighs around 4

Approx dimensions and weight: specimen A 2

Cactus quartz is also known as spirit or pineapple quartz

The fine growth on the black side has a much weaker reaction

Sandstone standing freeform, small Arizona Sierra Pick your own...:E which is unusual given thatLocale: Arizona Approx size and weight 3 41 1 3 lb, variable by piece; dimensions at end. These sandstone standing freeforms mimic the wind swept landscape 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