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All the these agate slices are about a 8th to quarter inch in thickness
For your safety:
You feel a sense of calm
the base has been cut for stability
Green Heulandite (#1140) Ammonite All the these agate slicesApproximate Size: 2. 9 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.
