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Every unopened geode is unique
Variations in banding pattern
primarily within the cavities of volcanic rocks like basalt
Clear Quartz
Approximate Weight: 69g
Green Drusy Heulandite Mineral Specimen (#1057) heulandite crystal specimen Maharashtra Every unopened geode is uniqueApproximate Size: 5. 5 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
