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Large Pyrite Qubes with Quartz from Peru
but related to the starfish and sea urchins) Late Silurian age (410 Millions Years Old) Found in Marocco
Crystal skulls witness everything around them
often forming needle-like structures within the rock's vesicles(gas bubbles) left behind during cooling
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.
