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Many specimens also contain trace amounts of uranium
Good for focus during meditation
Labradorite is a feldspar mineral that is known for its iridescent sheen
4 inches wide
essentially
Green Drusy Heulandite Mineral Specimen (#1050) metallic luster copper mineral specimen Many specimens also contain traceApproximate 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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