Green Heulandite (#1136) Stands and displays this crystal skull would be

this crystal skull would be a great conversation piece that demands respect

Rock fragments may be sharp and can travel when struck

Just the stone itself is 6

valued by collectors for their metallic luster and unusual crystal habits

Green Heulandite (#1136) Stands and displays this crystal skull would beApproximate Size: 2. 75 inches Green Heulandite mineral specimen. Location: Aurangabad Maharashtra, India. Facts: Heulandite has a sheet like open framework structure, classified as a tectosilicate, where it's structure is composed of interconnected six membered rings of silicate tetrahedra, creating channels within the crystal that allow it to act as a Zeolite, capable of exchanging cation like sodium, calcium, and potassium within its structure.