{"product_id":"diamond-apophyllite-cluster-on-blue-chalcedony-druzy-matrix","title":"Diamond Apophyllite Cluster on Blue Chalcedony Druzy Matrix","description":"\u003cp\u003eDiamond Apophyllite Cluster on Blue Chalcedony Druzy Matrix\u003c\/p\u003e\n\u003cp\u003eOverview\u003c\/p\u003e\n\u003cp\u003eThis visually striking specimen features a dense cluster of sharp, glassy apophyllite crystals growing across a softly contoured blue chalcedony matrix. The contrast between the highly reflective, transparent crystal faces and the fine-grained, matte druzy surface creates a layered texture that catches light from every angle.\u003c\/p\u003e\n\u003cp\u003eThe apophyllite forms in tightly packed cubic-to-pyramidal terminations, often referred to as “diamond apophyllite” due to their bright, mirror-like reflections. Beneath and around this growth, the chalcedony displays a smooth, botryoidal surface coated in microcrystalline quartz, producing a subtle sparkle across the blue-grey base.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cp\u003eMinerals: Apophyllite, Chalcedony (Quartz)\u003c\/p\u003e\n\u003cp\u003eFormation:\u003c\/p\u003e\n\u003cp\u003eSecondary apophyllite crystal growth over pre-existing chalcedony (botryoidal silica surface)\u003c\/p\u003e\n\u003cp\u003eColour:\u003c\/p\u003e\n\u003cp\u003eColourless to transparent apophyllite\u003c\/p\u003e\n\u003cp\u003eBlue-grey chalcedony matrix\u003c\/p\u003e\n\u003cp\u003eCrystal System:\u003c\/p\u003e\n\u003cp\u003eApophyllite: Tetragonal\u003c\/p\u003e\n\u003cp\u003eLustre:\u003c\/p\u003e\n\u003cp\u003eApophyllite: High vitreous (glass-like)\u003c\/p\u003e\n\u003cp\u003eChalcedony: Waxy to micro-sparkling druzy\u003c\/p\u003e\n\u003cp\u003eTransparency:\u003c\/p\u003e\n\u003cp\u003eApophyllite: Transparent to translucent\u003c\/p\u003e\n\u003cp\u003eChalcedony: Opaque to translucent\u003c\/p\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003cp\u003eWeight: 165 grams\u003c\/p\u003e\n\u003cp\u003eSize: 7 cm x 4.6 cm\u003c\/p\u003e\n\u003cp\u003eGeological \u0026amp; Scientific Notes\u003c\/p\u003e\n\u003cp\u003eThis specimen formed in a multi-stage hydrothermal environment:\u003c\/p\u003e\n\u003cp\u003eChalcedony Formation (SiO₂):\u003c\/p\u003e\n\u003cp\u003eSilica-rich fluids deposited microcrystalline quartz, creating the smooth, rounded (botryoidal) base structure.\u003c\/p\u003e\n\u003cp\u003eDruzy Development:\u003c\/p\u003e\n\u003cp\u003eA later phase of silica crystallisation formed a fine layer of microscopic quartz crystals, giving the surface its subtle sparkle.\u003c\/p\u003e\n\u003cp\u003eApophyllite Growth:\u003c\/p\u003e\n\u003cp\u003eUnder changing chemical conditions, apophyllite crystals nucleated and grew on top of the chalcedony surface. The sharp, well-defined crystal faces and internal clarity indicate relatively stable growth conditions during this final stage.\u003c\/p\u003e\n\u003cp\u003eThe contrast between microcrystalline chalcedony and larger apophyllite crystals clearly shows two distinct mineral growth environments preserved in one piece.\u003c\/p\u003e\n\u003cp\u003eWhy This Piece Stands Out\u003c\/p\u003e\n\u003cp\u003eStrong contrast between glassy crystals and soft druzy matrix\u003c\/p\u003e\n\u003cp\u003eDense coverage of high-reflectivity apophyllite terminations\u003c\/p\u003e\n\u003cp\u003eClean blue chalcedony base with even druzy coating\u003c\/p\u003e\n\u003cp\u003eVisible multi-stage formation (great educational value)\u003c\/p\u003e\n\u003cp\u003eBalanced display shape — sits naturally\u003c\/p\u003e\n\u003cp\u003eCare \u0026amp; Handling\u003c\/p\u003e\n\u003cp\u003eFragile crystal edges — handle with care\u003c\/p\u003e\n\u003cp\u003eAvoid water and cleaning chemicals\u003c\/p\u003e\n\u003cp\u003eUse a soft brush or air blower to remove dust\u003c\/p\u003e\n\u003cp\u003eStore separately to prevent scratching\u003c\/p\u003e","brand":"Crystal Ballerz","offers":[{"title":"Default Title","offer_id":53803517247829,"sku":null,"price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/9295\/1125\/files\/rn-image_picker_lib_temp_067a3129-cd19-47cd-abeb-a109799f8374.jpg?v=1777641045","url":"https:\/\/crystalballerz.co.uk\/products\/diamond-apophyllite-cluster-on-blue-chalcedony-druzy-matrix","provider":"Crystal Ballerz","version":"1.0","type":"link"}