{"product_id":"okenite-portal-geode-with-calcite-nashik-district-maharashtra-india-2-45-lbs","title":"Okenite Portal Geode with Calcite – Nashik District, Maharashtra, India – 2.45 lbs","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eA remarkable Okenite Portal Geode from the Nashik District of Maharashtra, India, featuring a naturally open passage through its crystallized interior. Soft white okenite clusters line one side of the cavity while sparkling calcite-rich crystallization covers the opposite wall, creating a dramatic window-like formation through the center of the specimen.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe primary display face reveals a tall, deeply mineralized chamber surrounded by rugged dark volcanic matrix. Multiple rounded okenite formations project into the cavity, ranging from compact cotton-like spheres to larger elongated clusters. Each formation consists of extremely fine radiating crystals that produce okenite’s unmistakable soft, silky appearance.\u003c\/p\u003e\n\u003cp\u003eThe natural opening passes completely through the specimen, allowing light and the background to remain visible from the front. This unusual portal-like architecture gives the piece exceptional depth and makes the internal mineral growth visible from several angles. When illuminated from behind, the open center becomes especially prominent and helps define the surrounding okenite and crystalline walls.\u003c\/p\u003e\n\u003cp\u003eCream-to-colorless calcite and fine secondary crystallization coat much of the chamber. Numerous reflective crystal faces produce flashes of light between the larger okenite formations, contrasting beautifully with their delicate fibrous texture. The crystallization extends around the interior rim and into recessed areas, giving the geode a richly layered appearance.\u003c\/p\u003e\n\u003cp\u003eIts exterior preserves the rough gray-green basalt in which the cavity originally developed. This relatively unaltered volcanic surface provides strong contrast with the luminous mineral-lined interior and offers an excellent view of the specimen’s geological structure.\u003c\/p\u003e\n\u003cp\u003eMeasuring approximately 4.5 × 3.5 × 6 inches and weighing 2.45 pounds, this is a substantial mounted cabinet specimen. Its complete portal opening, well-developed okenite clusters, sparkling calcite association, and upright presentation make it a particularly sculptural example of classic Maharashtra mineralization.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eMinerals: Okenite with Calcite and Associated Secondary Crystallization\u003c\/p\u003e\n\u003cp\u003eFormation: Open volcanic geode with a natural portal-like passage\u003c\/p\u003e\n\u003cp\u003eLocality: Nashik District, Maharashtra, India\u003c\/p\u003e\n\u003cp\u003eWeight: 2.45 lbs (approximately 1.11 kg)\u003c\/p\u003e\n\u003cp\u003eDimensions: Approximately 4.5 × 3.5 × 6 inches\u003c\/p\u003e\n\u003cp\u003eColor: White, cream, pale honey, colorless, gray, and greenish gray\u003c\/p\u003e\n\u003cp\u003eOkenite Habit: Rounded, elongated, fibrous, radiating, and cotton-like clusters\u003c\/p\u003e\n\u003cp\u003eCalcite Habit: Fine sparkling crystals and intergrown crystalline coatings\u003c\/p\u003e\n\u003cp\u003eInterior: Deep mineralized chamber with an opening extending through the specimen\u003c\/p\u003e\n\u003cp\u003eMatrix: Dark gray-to-green natural volcanic host rock\u003c\/p\u003e\n\u003cp\u003eLuster: Silky okenite with vitreous-to-subvitreous calcite and sparkling crystalline areas\u003c\/p\u003e\n\u003cp\u003eTransparency: Translucent-to-opaque okenite with transparent-to-translucent associated crystals\u003c\/p\u003e\n\u003cp\u003eOkenite Chemical Formula: Ca₁₀Si₁₈O₄₆·18H₂O\u003c\/p\u003e\n\u003cp\u003eCalcite Chemical Formula: CaCO₃\u003c\/p\u003e\n\u003cp\u003eOkenite Crystal System: Triclinic\u003c\/p\u003e\n\u003cp\u003eCalcite Crystal System: Trigonal\u003c\/p\u003e\n\u003cp\u003eMounting: Presented upright on a custom display support produced in-house\u003c\/p\u003e\n\u003cp\u003eDisplay: Elevated cabinet specimen with multiple viewing angles\u003c\/p\u003e\n\u003cp\u003eCondition: Natural mineral specimen with inherent contacts, incomplete crystals, matrix fractures, extraction-related irregularities, surface deposits, color variation, and extremely delicate fibrous formations\u003c\/p\u003e\n\u003cp\u003eExact specimen shown\u003c\/p\u003e\n\u003ch2\u003eAbout Okenite Portal Geodes\u003c\/h2\u003e\n\u003cp\u003eOkenite is a hydrated calcium silicate mineral best known for its unusual cotton-like appearance. Its rounded formations consist of extremely fine needle-shaped crystals radiating outward from central growth points. Although they appear soft, these structures are crystalline, delicate, and easily damaged by contact.\u003c\/p\u003e\n\u003cp\u003eThe famous okenite specimens of Maharashtra formed within gas cavities in ancient basaltic lava flows associated with the Deccan Traps. After the basalt solidified, mineral-rich fluids circulated through the open spaces and deposited okenite, calcite, zeolites, and other associated minerals during successive stages of crystallization.\u003c\/p\u003e\n\u003cp\u003eThe “portal” description refers to this specimen’s naturally open passage rather than a separate mineral variety. The cavity remained connected through the matrix, creating a complete window surrounded by mineral growth. This allows light to pass through the formation and provides access to interior views that would normally remain hidden inside a conventional geode.\u003c\/p\u003e\n\u003cp\u003eCalcite and fine secondary crystals create the sparkling foundation surrounding the okenite. Their broader, more reflective crystal faces contrast with the silky radiating fibers and help emphasize the specimen’s layered internal structure.\u003c\/p\u003e\n\u003cp\u003eOkenite is extremely delicate. Do not touch, brush, wash, soak, or direct compressed air toward the fibrous formations. Handle the specimen only by its solid matrix or display support and keep it protected from dust, moisture, vibration, and frequent repositioning.\u003c\/p\u003e\n\u003ch2\u003eCollector Notes\u003c\/h2\u003e\n\u003cp\u003eThis specimen features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNatural okenite from Nashik District, Maharashtra, India\u003c\/li\u003e\n\u003cli\u003eSubstantial 2.45-pound cabinet size\u003c\/li\u003e\n\u003cli\u003eApproximately six-inch upright presentation\u003c\/li\u003e\n\u003cli\u003eComplete portal-like opening through the formation\u003c\/li\u003e\n\u003cli\u003eStrong visual depth and natural negative space\u003c\/li\u003e\n\u003cli\u003eMultiple rounded cotton-like okenite clusters\u003c\/li\u003e\n\u003cli\u003eElongated and interconnected fibrous formations\u003c\/li\u003e\n\u003cli\u003eFine radiating crystal structure\u003c\/li\u003e\n\u003cli\u003eCream-to-white calcite association\u003c\/li\u003e\n\u003cli\u003eSparkling secondary crystallization\u003c\/li\u003e\n\u003cli\u003eMineral coverage throughout the interior chamber\u003c\/li\u003e\n\u003cli\u003eCrystallized opening visible from multiple angles\u003c\/li\u003e\n\u003cli\u003eDramatic appearance under backlighting\u003c\/li\u003e\n\u003cli\u003eStrong contrast between the pale interior and dark basalt\u003c\/li\u003e\n\u003cli\u003eRugged natural volcanic exterior\u003c\/li\u003e\n\u003cli\u003eClassic Deccan Traps mineral association\u003c\/li\u003e\n\u003cli\u003eCustom display support produced in-house\u003c\/li\u003e\n\u003cli\u003eOne-of-a-kind natural formation\u003c\/li\u003e\n\u003cli\u003eExact specimen pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerfect for collectors of okenite, Indian minerals, Maharashtra specimens, Nashik minerals, portal geodes, open geodes, calcite associations, Deccan Traps minerals, fibrous minerals, mounted cabinet specimens, and unusual volcanic formations.\u003c\/p\u003e\n\u003cp\u003eProfessionally packaged and shipped from Colorado.\u003c\/p\u003e\n\u003cp\u003eYou will receive the exact specimen shown.\u003c\/p\u003e\n\u003cp\u003eEvery order is backed by our commitment to quality and customer satisfaction. Thank you for supporting our family-owned small business.\u003c\/p\u003e","brand":"Serenity Soul Stones","offers":[{"title":"Default Title","offer_id":49872310501626,"sku":null,"price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/2328\/8826\/files\/OkenitePortalGeodewithCalcite_NashikDistrict_Maharashtra_India_2.45lbs_6.jpg?v=1785364081","url":"https:\/\/serenitysoulstones.com\/products\/okenite-portal-geode-with-calcite-nashik-district-maharashtra-india-2-45-lbs","provider":"Serenity Soul Stones","version":"1.0","type":"link"}