Green Drusy Heulandite Mineral Specimen (#1051) Marcasite These natural Carnelian stone gem

These natural Carnelian  stone gem trees are whimsical and fun to bend into a Zen shape that fits any space

and the crystals hidden inside

Medium pyrite cubes with Fluorescent pink calcite

Gifts for collectors

Variations in banding pattern

Green Drusy Heulandite Mineral Specimen (#1051) Marcasite These natural Carnelian stone gemApproximate Size: 2 inches Green Drusy 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.