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Large Pyrite Qubes with Quartz from Peru
Approximate Size: 4
Notheast Madagascar
4 inches wide
Green Drusy Heulandite Mineral Specimen (#1050) metallic luster copper mineral specimen Large Pyrite Qubes with QuartzApproximate 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.
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