{"product_id":"apop-1","title":"AAA Grade Diamond Apophyllite on Blue Chalcedony with Heulandite \u0026 Calcite","description":"\u003cp\u003eAAA Grade Diamond Apophyllite on Blue Chalcedony with Heulandite \u0026amp; Calcite\u003c\/p\u003e\n\u003cp\u003eA high-grade multi-mineral specimen featuring sharp, reflective apophyllite crystals over a deep-toned blue chalcedony base, with contrasting heulandite and a well-formed calcite crystal.\u003c\/p\u003e\n\u003cp\u003eThis piece captures multiple stages of mineral formation in one — giving it both strong visual impact and real geological depth.\u003c\/p\u003e\n\u003cp\u003e🔍 Key Features\u003c\/p\u003e\n\u003cp\u003e• AAA grade “diamond” apophyllite with high clarity and mirror-like faces\u003c\/p\u003e\n\u003cp\u003e• Deep blue chalcedony matrix creating natural contrast\u003c\/p\u003e\n\u003cp\u003e• Distinct heulandite crystal (brown, wedge-shaped zeolite)\u003c\/p\u003e\n\u003cp\u003e• Visible calcite crystal with blocky form\u003c\/p\u003e\n\u003cp\u003e• Multi-layered crystal growth across the surface\u003c\/p\u003e\n\u003cp\u003e• Strong sparkle, structure, and display presence\u003c\/p\u003e\n\u003cp\u003e📏 Dimensions\u003c\/p\u003e\n\u003cp\u003e• Weight: 122g\u003c\/p\u003e\n\u003cp\u003e• Size: 8.5cm x 4.5cm\u003c\/p\u003e\n\u003cp\u003e🧪 Geological \u0026amp; Scientific Notes\u003c\/p\u003e\n\u003cp\u003e• Apophyllite – KCa₄Si₈O₂₀(F,OH)·8H₂O\u003c\/p\u003e\n\u003cp\u003eHydrated potassium calcium silicate known for its high lustre and well-defined crystal faces\u003c\/p\u003e\n\u003cp\u003e• Chalcedony – SiO₂\u003c\/p\u003e\n\u003cp\u003eMicrocrystalline quartz forming the base layer before later mineral growth\u003c\/p\u003e\n\u003cp\u003e• Heulandite – (Ca,Na)₂–₃Al₃(Al,Si)₂Si₁₃O₃₆·12H₂O\u003c\/p\u003e\n\u003cp\u003eA zeolite mineral forming in low-temperature hydrothermal conditions\u003c\/p\u003e\n\u003cp\u003e• Calcite – CaCO₃\u003c\/p\u003e\n\u003cp\u003eTypically forms later, often appearing as blocky or slightly translucent crystals\u003c\/p\u003e\n\u003cp\u003e👉 This specimen shows a multi-stage formation sequence, commonly seen in volcanic cavities (e.g. Deccan Traps, India)\u003c\/p\u003e\n\u003cp\u003e💎 Why This Piece Stands Out\u003c\/p\u003e\n\u003cp\u003eThis is more than a display piece — it’s a natural formation timeline:\u003c\/p\u003e\n\u003cp\u003eChalcedony forms the base\u003c\/p\u003e\n\u003cp\u003eApophyllite crystallises over it\u003c\/p\u003e\n\u003cp\u003eHeulandite develops in later conditions\u003c\/p\u003e\n\u003cp\u003eCalcite forms during final mineral phases\u003c\/p\u003e\n\u003cp\u003e👉 That’s what creates the contrast, texture, and layered structure you see here\u003c\/p\u003e\n\u003cp\u003e⚠️ Transparency Note\u003c\/p\u003e\n\u003cp\u003e• 100% natural, untreated\u003c\/p\u003e\n\u003cp\u003e• Minor natural contacts consistent with formation\u003c\/p\u003e\n\u003cp\u003e• Calcite identification based on crystal habit\u003c\/p\u003e","brand":"Crystal Ballerz","offers":[{"title":"Default Title","offer_id":53820378677589,"sku":null,"price":47.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/9295\/1125\/files\/rn-image_picker_lib_temp_bee3b3a8-4dd2-4150-abe0-1ce09b988281.jpg?v=1777900002","url":"https:\/\/crystalballerz.co.uk\/products\/apop-1","provider":"Crystal Ballerz","version":"1.0","type":"link"}