{"product_id":"amethyst-and-agate-tower","title":"Amethyst and agate tower","description":"\u003cp\u003eAmethyst with Agate Inclusion Tower\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThis striking amethyst tower features soft lavender tones blended with milky quartz and a captivating central inclusion of natural agate. The polished point shape contrasts beautifully with the raw internal textures, creating a unique display piece full of depth and organic character. The internal formation reveals layered, semi-translucent structures typical of agate, forming a natural focal point within the crystal.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eKey Features\u003cbr\u003eMaterial: Natural amethyst (quartz variety) with agate inclusion\u003cbr\u003eFormation: Polished tower with natural internal cavity and banded mineral growth\u003cbr\u003eColor: Pale lavender, clear to milky quartz, with soft cream to grey agate tones\u003cbr\u003eCrystal Habit: Mixed crystalline quartz with internal microcrystalline (chalcedony\/agate) structures\u003cbr\u003eFinish: Polished exterior with raw internal formations\u003cbr\u003eShape: Six-sided tower with pointed termination\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eDimensions\u003cbr\u003eApprox. Size: 9.7cm x 3.9cm\u003cbr\u003eWeight: 228 grams\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eGeological \u0026amp; Scientific Notes\u003cbr\u003eAmethyst is a variety of quartz that forms in cavities within volcanic rock, where silica-rich fluids slowly crystallise over time. The lighter purple tones seen in this piece suggest lower iron content and more subtle natural irradiation during formation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThis piece also contains agate, a banded form of chalcedony (microcrystalline quartz), which formed in stages as layers of silica were deposited within the cavity. Unlike the larger crystal structure of amethyst, agate develops in fine, compact layers, often creating soft banding or cloudy, flowing patterns as seen in the central inclusion.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe presence of both amethyst and agate indicates multiple phases of mineral formation. The cavity likely began forming with chalcedony deposits before later quartz crystallisation created the amethyst structure around and within it. This combination results in a visually dynamic piece that showcases both crystalline and microcrystalline quartz in one specimen.\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 with polished exterior\u003cbr\u003eInternal inclusions and fractures typical of quartz\u003cbr\u003eVisible agate inclusion and internal cavity features\u003cbr\u003eVariation in colour, clarity, and internal structure\u003cbr\u003eNo visible dyeing or artificial enhancement\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eCare Instructions\u003cbr\u003eHandle with care to avoid chips, especially around the point\u003cbr\u003eClean gently with a soft cloth or soft brush\u003cbr\u003eAvoid prolonged exposure to water\u003cbr\u003eKeep out of direct sunlight to preserve colour\u003cbr\u003eStore safely to prevent scratches or damage\u003c\/p\u003e","brand":"Crystal Ballerz","offers":[{"title":"Default Title","offer_id":53659985445205,"sku":null,"price":28.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1039\/9295\/1125\/files\/rn-image_picker_lib_temp_1fa73803-dac9-493a-9235-d03068bc413b.jpg?v=1776347112","url":"https:\/\/crystalballerz.co.uk\/products\/amethyst-and-agate-tower","provider":"Crystal Ballerz","version":"1.0","type":"link"}