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This polished malachite specimen showcases the mineral's signature banded green patterns
Its bladed crystal pattern adds an interesting texture
Rock and mineral clubs
which causes them to fluoresce a bright green under short wave UV light
Green Drusy Heulandite Mineral Specimen (#1051) Green Forest Epidote This polished malachite specimen showcasesApproximate 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.