Scolecite, Mahodori Quarry, Nasik, India

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Scolecite, a zeolite mineral found in the Mahodori Quarry near Nasik, India, is celebrated for its needle-like crystals that often form radiating clusters or sprays. Composed of hydrated calcium silicate (CaAl₂Si₃O₁₀·3H₂O), it occurs as a secondary mineral within cavities of basaltic rocks, a hallmark of the Deccan Traps' volcanic geology. Known for its delicate appearance and occasional fluorescence, scolecite is a favorite among mineral collectors. The Mahodori Quarry produces some of the finest specimens, showcasing the intricate beauty and geological significance of Indian zeolites.

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Photo credit: © Phil Degginger / Alamy / Afripics
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Keywords: aluminosilicate, basaltic, caal₂si₃₁₀·3h₂, calcium, cavities, clusters, collection, crystal, crystallography, crystals, fluorescence, hydrated, india, mahodori, mineral, minerals, monoclinic, nasik, needle-, quarry, radiating, rare, rocks, scolecite, secondary, silicate, specimen, specimens, system, triclinic, volcanic, zeolite