{"product_id":"apop","title":"AAA Apophyllite on Blue Chalcedony with Stilbite — Large Display Piece","description":"\u003cp\u003eAAA Apophyllite on Blue Chalcedony with Stilbite — Large Display Piece\u003c\/p\u003e\n\u003cp\u003eA high-impact, large-scale specimen featuring well-formed Apophyllite crystals across a rich blue-grey Chalcedony matrix, with multiple peach-toned Stilbite formations embedded throughout.\u003c\/p\u003e\n\u003cp\u003eThis piece shows a dense crystal field with layered growth, where different minerals formed in stages, creating strong contrast between sharp glassy faces, soft fibrous textures, and natural mineral zoning.\u003c\/p\u003e\n\u003cp\u003e🔬 Key Features\u003c\/p\u003e\n\u003cp\u003e• AAA grade apophyllite with bright lustre and defined terminations\u003c\/p\u003e\n\u003cp\u003e• Heavy crystal coverage — dense, multi-directional growth\u003c\/p\u003e\n\u003cp\u003e• Blue chalcedony base adding depth and darker contrast tones\u003c\/p\u003e\n\u003cp\u003e• Multiple stilbite clusters with soft peach colouring\u003c\/p\u003e\n\u003cp\u003e• Visible secondary mineralisation and druzy textures\u003c\/p\u003e\n\u003cp\u003e• Large, weighty piece with strong display presence\u003c\/p\u003e\n\u003cp\u003e📏 Dimensions\u003c\/p\u003e\n\u003cp\u003e• Weight: 360 grams\u003c\/p\u003e\n\u003cp\u003e• Size: 10 cm x 8 cm\u003c\/p\u003e\n\u003cp\u003e🌍 Geological \u0026amp; Scientific Notes\u003c\/p\u003e\n\u003cp\u003e• Apophyllite forms in volcanic cavities where mineral-rich fluids crystallise during cooling\u003c\/p\u003e\n\u003cp\u003e• Chalcedony develops from silica gels that solidify into microcrystalline quartz (SiO₂)\u003c\/p\u003e\n\u003cp\u003e• Stilbite is a zeolite mineral forming in low-temperature hydrothermal conditions\u003c\/p\u003e\n\u003cp\u003eThis specimen represents a multi-stage formation environment, where:\u003c\/p\u003e\n\u003cp\u003eChalcedony formed first as a base layer\u003c\/p\u003e\n\u003cp\u003eApophyllite crystallised within open cavities\u003c\/p\u003e\n\u003cp\u003eStilbite formed later as fluid chemistry changed\u003c\/p\u003e\n\u003cp\u003eThis sequence creates the layered, clustered growth structure seen throughout the piece.\u003c\/p\u003e\n\u003cp\u003e🧪 Mineral Information\u003c\/p\u003e\n\u003cp\u003eApophyllite\u003c\/p\u003e\n\u003cp\u003e• Chemical Formula: KCa₄Si₈O₂₀(F,OH)·8H₂O\u003c\/p\u003e\n\u003cp\u003e• Mohs Hardness: 4.5 – 5\u003c\/p\u003e\n\u003cp\u003e• Lustre: Vitreous (glassy)\u003c\/p\u003e\n\u003cp\u003e• Transparency: Transparent to translucent\u003c\/p\u003e\n\u003cp\u003eChalcedony\u003c\/p\u003e\n\u003cp\u003e• Chemical Formula: SiO₂\u003c\/p\u003e\n\u003cp\u003e• Mohs Hardness: 6.5 – 7\u003c\/p\u003e\n\u003cp\u003e• Lustre: Waxy to vitreous\u003c\/p\u003e\n\u003cp\u003eStilbite\u003c\/p\u003e\n\u003cp\u003e• Chemical Formula: NaCa₄Al₉Si₂₇O₇₂·28H₂O\u003c\/p\u003e\n\u003cp\u003e• Mohs Hardness: 3.5 – 4\u003c\/p\u003e\n\u003cp\u003e• Lustre: Pearly to vitreous\u003c\/p\u003e\n\u003cp\u003e⚠️ Care \u0026amp; Handling\u003c\/p\u003e\n\u003cp\u003e• Fragile crystal terminations — handle carefully\u003c\/p\u003e\n\u003cp\u003e• Avoid water exposure (zeolite minerals can degrade)\u003c\/p\u003e\n\u003cp\u003e• Keep out of prolonged direct sunlight\u003c\/p\u003e\n\u003cp\u003e• Store separately from harder minerals\u003c\/p\u003e\n\u003cp\u003e💎 Why This Piece Stands Out\u003c\/p\u003e\n\u003cp\u003eThis is a larger, heavier collector piece with:\u003c\/p\u003e\n\u003cp\u003e• Dense apophyllite coverage\u003c\/p\u003e\n\u003cp\u003e• Strong contrast between clear crystals and dark chalcedony\u003c\/p\u003e\n\u003cp\u003e• Multiple stilbite formations adding natural colour variation\u003c\/p\u003e\n\u003cp\u003e• Clear evidence of multi-phase mineral growth\u003c\/p\u003e\n\u003cp\u003eThe size + structure combination makes this ideal as a statement display specimen, not just a small cabinet piece.\u003c\/p\u003e","brand":"Crystal Ballerz","offers":[{"title":"Default Title","offer_id":53820374647125,"sku":null,"price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/9295\/1125\/files\/rn-image_picker_lib_temp_1a3be95a-eb47-490e-8162-d9e5381f7194.jpg?v=1777899921","url":"https:\/\/crystalballerz.co.uk\/products\/apop","provider":"Crystal Ballerz","version":"1.0","type":"link"}