{"product_id":"black-amethyst-druzy-butterfly-carving","title":"Black Amethyst Druzy Butterfly Carving","description":"\u003cp\u003eThis is a carved black amethyst druzy specimen shaped into a butterfly. It features a dense layer of small, natural crystal points across the wings, displaying deep smoky-grey to soft lavender tones with subtle internal variation. The piece is set on a visible quartz matrix base and has a more raw, natural appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eKey Features\u003cbr\u003eMaterial: Natural black amethyst (dark variety of quartz)\u003cbr\u003eFormation: Druzy crystal growth over quartz matrix\u003cbr\u003eColor: Smoky grey to muted purple with subtle zoning\u003cbr\u003eCrystal Habit: Fine, tightly packed terminations with reflective faces\u003cbr\u003eFinish: Carved and shaped with natural matrix backing\u003cbr\u003eShape: Butterfly carving (lapidary-shaped)\u003cbr\u003eDisplay: Not freestanding – requires support or flat placement\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eDimensions\u003cbr\u003eApprox. Size: 5.6 × 3.5 cm (adjust if needed)\u003cbr\u003eWeight: 45 g (adjust if needed)\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eGeological \u0026amp; Scientific Notes\u003cbr\u003eBlack amethyst is a darker-toned variety of quartz, typically coloured by higher concentrations of iron and natural irradiation during formation. It forms in cavities within volcanic rock, where silica-rich fluids crystallise over time.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe druzy surface is composed of numerous small euhedral crystals that grew inward from the cavity walls. These tightly packed points enhance light reflection, giving the surface a subtle sparkle despite the darker overall tone.\u003cbr\u003eMatrix material and natural mineral inclusions are visible, contributing to the specimen’s raw geological character.\u003c\/p\u003e\n\u003cp\u003eMineral: Quartz\u003cbr\u003eFormula: SiO₂\u003cbr\u003eColour: Pale lilac → deep purple\u003cbr\u003eCause of Colour: Iron + natural irradiation\u003cbr\u003eLustre: Vitreous (glassy)\u003cbr\u003eTransparency: Transparent → translucent\u003cbr\u003eStreak: White\u003cbr\u003eHardness: 7 (Mohs)\u003cbr\u003eFracture: Conchoidal\u003cbr\u003eCleavage: None\u003cbr\u003eDensity: ~2.65\u003cbr\u003eCrystal System: Trigonal\u003cbr\u003eHabit: Hexagonal prisms\u003cbr\u003eFormation: Volcanic cavities (geodes)\u003cbr\u003eCommon Locations: Brazil, Uruguay, Zambia\u003cbr\u003eOptical:\u003cbr\u003eRefractive Index: ~1.54–1.55\u003cbr\u003eWeak pleochroism\u003cbr\u003eExtras:\u003cbr\u003eMay fade or turn yellow when heated\u003cbr\u003eOften shows colour zoning or banding\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eCondition\u003cbr\u003eNatural crystal surface with inclusions and visible matrix\u003cbr\u003eVariation in crystal size and density across the wings\u003cbr\u003eSome natural imperfections and edge irregularities\u003cbr\u003eNot freestanding – best displayed supported or laid flat\u003cbr\u003eNo visible dyeing or artificial enhancement\u003c\/p\u003e\n\u003cp\u003eCare Instructions\u003cbr\u003eHandle carefully to avoid damaging delicate crystal points\u003cbr\u003eClean using a soft brush or compressed air\u003cbr\u003eStore or display in a stable position due to non-freestanding form\u003cbr\u003eAvoid prolonged exposure to direct sunlight to help maintain colour integrity\u003c\/p\u003e","brand":"Crystal Ballerz","offers":[{"title":"Default Title","offer_id":53657798082901,"sku":null,"price":15.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/9295\/1125\/files\/rn-image_picker_lib_temp_d90cccb3-a35b-43c0-84b1-892224c26312.jpg?v=1776345554","url":"https:\/\/crystalballerz.co.uk\/products\/black-amethyst-druzy-butterfly-carving","provider":"Crystal Ballerz","version":"1.0","type":"link"}