{"product_id":"brecciated-indian-amethyst-polished-tower-4","title":"Brecciated Indian Amethyst Polished Tower","description":"\u003cp\u003eThis substantial brecciated amethyst freeform showcases large, rounded quartz fragments set within a contrasting iron-rich matrix. The piece features deep purple amethyst zones alongside translucent quartz and warm reddish-brown mineralisation, creating a bold, high-contrast structure.\u003c\/p\u003e\n\u003cp\u003eThe polished finish enhances the natural fragment boundaries, revealing a complex internal network of fractures, healed zones, and mineral infill that reflects multiple stages of geological formation.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cp\u003eMineral: Quartz (Amethyst variety)\u003c\/p\u003e\n\u003cp\u003eChemical Formula: SiO₂\u003c\/p\u003e\n\u003cp\u003eFormation: Brecciated quartz with iron-rich matrix infill\u003c\/p\u003e\n\u003cp\u003eColour: Purple, lavender, smoky tones with red\/orange iron staining\u003c\/p\u003e\n\u003cp\u003eTransparency: Translucent to semi-opaque\u003c\/p\u003e\n\u003cp\u003eLustre: Vitreous (glassy)\u003c\/p\u003e\n\u003cp\u003eCrystal System: Trigonal\u003c\/p\u003e\n\u003cp\u003eMohs Hardness: 7\u003c\/p\u003e\n\u003cp\u003eFinish: Polished freeform\u003c\/p\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003cp\u003eSize: 9 cm x 5.1 cm\u003c\/p\u003e\n\u003cp\u003eWeight: 219 grams\u003c\/p\u003e\n\u003cp\u003eGeological \u0026amp; Scientific Notes\u003c\/p\u003e\n\u003cp\u003eThis specimen formed through brecciation, where pre-existing quartz fractured into large fragments due to tectonic or thermal stress. These fragments were later cemented together by silica-rich fluids, which recrystallised and stabilised the structure.\u003c\/p\u003e\n\u003cp\u003eThe rounded appearance of some fragments suggests partial reworking or dissolution before cementation, giving the piece a more complex, multi-stage formation history compared to sharper brecciated material.\u003c\/p\u003e\n\u003cp\u003eThe reddish-orange areas are caused by iron oxide mineralisation (commonly hematite or iron-bearing inclusions) that filled gaps between fragments during the healing process.\u003c\/p\u003e\n\u003cp\u003eAmethyst coloration is produced by trace iron within the quartz lattice, activated by natural irradiation. Variations in tone—from pale lavender to deeper purple—reflect differences in iron concentration and exposure conditions during growth.\u003c\/p\u003e\n\u003cp\u003eSmall cavities and uneven infill zones are natural features where mineral deposition was incomplete, adding further texture and depth to the piece.\u003c\/p\u003e\n\u003cp\u003eWhy This Piece Stands Out\u003c\/p\u003e\n\u003cp\u003eLarger, heavier statement piece (219g)\u003c\/p\u003e\n\u003cp\u003eDistinct rounded amethyst fragments (less common than sharp brecciation)\u003c\/p\u003e\n\u003cp\u003eStrong iron-rich matrix contrast\u003c\/p\u003e\n\u003cp\u003eMulti-stage formation visible through structure and colour variation\u003c\/p\u003e\n\u003cp\u003eExcellent display presence due to size and pattern distribution\u003c\/p\u003e\n\u003cp\u003eCare\u003c\/p\u003e\n\u003cp\u003eClean with lukewarm water and mild soap\u003c\/p\u003e\n\u003cp\u003eAvoid prolonged exposure to direct sunlight\u003c\/p\u003e\n\u003cp\u003eStore separately to prevent scratching\u003c\/p\u003e","brand":"Crystal Ballerz","offers":[{"title":"Default Title","offer_id":53776927261013,"sku":null,"price":46.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/9295\/1125\/files\/rn-image_picker_lib_temp_53800f0d-eff9-4599-b597-ef1fda4fd4ce.jpg?v=1777295030","url":"https:\/\/crystalballerz.co.uk\/products\/brecciated-indian-amethyst-polished-tower-4","provider":"Crystal Ballerz","version":"1.0","type":"link"}