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A Rare Chalcopyrite Cluster from China
this size offers a larger interior cavity than the smaller specimens typically found
Because these geodes remain unopened
South Africa
Green Apophyllite with Stilbite mineral specimen
Green Drusy Heulandite Mineral Specimen (#1059) The Perfect Gift A Rare Chalcopyrite Cluster fromApproximate Size: 6. 25 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
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