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This specimen features small prehnite stalactites nestled alongside brilliant
Unlike pre-opened geodes
Weight: Approximately 326 g
While drusy quartz is common and many geodes fluoresce under short wave UV
in this case
Green Heulandite (#1133) Product This specimen features small prehniteApproximate Size: 3 inches Green Heulandite with Stilbite 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
