{"product_id":"rainbow-sugar-amethyst-on-green-chalcedony-los-catalanes-uruguay-77-g","title":"Rainbow Sugar Amethyst on Green Chalcedony – Los Catalanes, Uruguay – 77 g","description":"\u003cp\u003eAn unusual \u003cstrong\u003eRainbow Sugar Amethyst Formation\u003c\/strong\u003e from the Los Catalanes Gemological District of Artigas, Uruguay, featuring densely sparkling microcrystalline quartz over muted purple amethyst and a beautifully layered green chalcedony-rich rind. Mounted vertically on a custom display base, this slender specimen rises approximately 4 inches tall while weighing only 77 grams.\u003c\/p\u003e\n\u003cp\u003eThe principal display face is almost completely covered with extraordinarily fine druzy crystallization. Thousands of minute quartz terminations create the distinctive sugar-like texture, producing intense silver, lavender, smoky gray, and warm champagne reflections as the specimen moves beneath directional light.\u003c\/p\u003e\n\u003cp\u003eRather than displaying the larger pointed crystals associated with conventional Uruguayan geodes, this formation presents a compact microcrystalline surface with remarkable visual density. Several slightly larger crystals are scattered across the druzy, providing isolated flashes and subtle changes in scale.\u003c\/p\u003e\n\u003cp\u003eIts sculptural profile divides into two rising sections: a tall narrow spire and a lower rounded projection. A recessed channel between them introduces depth and natural shadow, preventing the broadly crystallized surface from appearing flat.\u003c\/p\u003e\n\u003cp\u003eThe sides and reverse reveal one of the specimen’s most distinctive features—a thick, beautifully patterned mineral rind. Pale celadon green, cream, gray, charcoal, and localized golden-tan layers follow the contours of the original cavity. Darker moss-like markings and irregular concentric zones record successive stages of silica deposition around the crystallized interior.\u003c\/p\u003e\n\u003cp\u003eThe green material is best described conservatively as \u003cstrong\u003egreen chalcedony or jasper-bearing silica\u003c\/strong\u003e. Although green quartz and prasiolite are also marketed from Uruguay, the green coloration on this specimen is concentrated primarily within its layered backing rather than the exposed druzy crystals.\u003c\/p\u003e\n\u003cp\u003e“Rainbow Sugar Amethyst” is an appropriate descriptive trade name for this formation. The muted amethyst face shifts among smoky mauve, dusty lavender, silver gray, soft rose, and champagne tones, while the surrounding green, cream, and golden layers extend the specimen’s palette beyond conventional purple amethyst.\u003c\/p\u003e\n\u003cp\u003eMeasuring approximately 2 × 1.5 × 4 inches and weighing 77 grams, this is a remarkably lightweight yet visually substantial collector specimen. Its tall architectural silhouette, extremely fine crystallization, unusual green rind, multicolored mineral layering, and custom upright presentation make it a distinctive example of Uruguay’s increasingly sought-after sugar-amethyst material.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003eMineral: Amethyst and druzy quartz with chalcedony-rich silica\u003c\/p\u003e\n\u003cp\u003eTrade Name: Rainbow Sugar Amethyst\u003c\/p\u003e\n\u003cp\u003eFormation: Thin cavity section with dense microcrystalline druzy and layered silica rind\u003c\/p\u003e\n\u003cp\u003eLocality: Los Catalanes Gemological District, Artigas Department, Uruguay\u003c\/p\u003e\n\u003cp\u003ePossible Quarry: La Bolsa\/Las Torres area is visually plausible but not confirmed by provenance\u003c\/p\u003e\n\u003cp\u003eWeight: 77 grams\u003c\/p\u003e\n\u003cp\u003eDimensions: Approximately 2 × 1.5 × 4 inches\u003c\/p\u003e\n\u003cp\u003eColor: Smoky lavender, dusty mauve, silver gray, champagne, pale rose, celadon green, cream, charcoal, and golden tan\u003c\/p\u003e\n\u003cp\u003eCrystal Habit: Extremely fine, densely packed druzy quartz with scattered larger crystals\u003c\/p\u003e\n\u003cp\u003ePrimary Display Face: Broad sugar-like microcrystalline coating divided into two rising architectural sections\u003c\/p\u003e\n\u003cp\u003eRind: Layered green, cream, gray, charcoal, and golden silica surrounding the crystal-bearing surface\u003c\/p\u003e\n\u003cp\u003eGreen Material: Visually consistent with green chalcedony or jasper-bearing silica; exact composition has not been analytically confirmed\u003c\/p\u003e\n\u003cp\u003eProfile: Tall, slender cavity section with an angular spire and lower rounded projection\u003c\/p\u003e\n\u003cp\u003eReverse: Exposed layered silica structure displaying concentric growth patterns and darker mineralized markings\u003c\/p\u003e\n\u003cp\u003eLuster: Vitreous and intensely sparkling across the druzy surface; waxy-to-glassy across the chalcedony-rich rind\u003c\/p\u003e\n\u003cp\u003eTransparency: Predominantly translucent-to-opaque layered silica with translucent microcrystalline quartz\u003c\/p\u003e\n\u003cp\u003eChemical Composition: Primarily SiO₂\u003c\/p\u003e\n\u003cp\u003eCrystal System: Trigonal for crystalline quartz\u003c\/p\u003e\n\u003cp\u003eMohs Hardness: Approximately 6.5–7\u003c\/p\u003e\n\u003cp\u003eMounting: Affixed to a custom display base produced in-house\u003c\/p\u003e\n\u003cp\u003eCondition: Natural geological specimen with inherent fractures, crystal contacts, incomplete microcrystals, cavities, surface deposits, color variation, irregular edges, and preparation marks associated with cutting and shaping\u003c\/p\u003e\n\u003cp\u003eExact specimen shown\u003c\/p\u003e\n\u003ch2\u003eAbout Uruguayan Sugar Amethyst\u003c\/h2\u003e\n\u003cp\u003eSugar amethyst is a descriptive collector term for amethyst formations covered with extremely fine secondary crystallization. The miniature quartz faces produce a densely sparkling texture resembling granulated sugar rather than the larger, individually dominant points found inside conventional amethyst geodes.\u003c\/p\u003e\n\u003cp\u003eUruguayan mining professionals describe sugar amethyst as amethyst covered by a thin multicolored jasper-like layer and a later generation of microscopic quartz crystallization. This sequence explains the unusual combination of muted underlying color, complex surface texture, and intense fine-grained sparkle visible across specimens of this type.\u003c\/p\u003e\n\u003cp\u003eThe amethyst and agate deposits of northern Uruguay developed inside cavities within ancient volcanic rock. Silica-bearing fluids deposited successive layers of chalcedony, agate, jasper-like material, quartz, and amethyst. Later mineralizing events could coat earlier surfaces with additional microscopic crystallization.\u003c\/p\u003e\n\u003cp\u003eThe layered reverse of this specimen provides an especially useful view of that geological sequence. Green, cream, gray, charcoal, and golden zones surround the former cavity wall, while the exposed interior carries the fine amethyst and quartz druzy.\u003c\/p\u003e\n\u003cp\u003e“Rainbow” refers to the formation’s varied natural palette rather than artificial coating or aura treatment. “Sugar” describes its microcrystalline texture. Neither term represents a formally recognized mineral variety.\u003c\/p\u003e\n\u003cp\u003eAmethyst can gradually lose color after prolonged exposure to intense direct sunlight. Handle the specimen by its custom base and clean the delicate druzy only with a soft, dry brush or gentle air blower.\u003c\/p\u003e\n\u003ch2\u003eCollector Notes\u003c\/h2\u003e\n\u003cp\u003eThis specimen features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNatural amethyst and quartz from Artigas, Uruguay\u003c\/li\u003e\n\u003cli\u003eLos Catalanes Gemological District locality\u003c\/li\u003e\n\u003cli\u003eDistinctive Rainbow Sugar Amethyst formation\u003c\/li\u003e\n\u003cli\u003eExtremely fine microcrystalline druzy\u003c\/li\u003e\n\u003cli\u003eThousands of independently reflective crystal faces\u003c\/li\u003e\n\u003cli\u003eSmoky lavender and dusty-mauve amethyst coloration\u003c\/li\u003e\n\u003cli\u003eSilver, champagne, and pale-rose flashes\u003c\/li\u003e\n\u003cli\u003eScattered larger crystals across the sugar surface\u003c\/li\u003e\n\u003cli\u003eUnusual green chalcedony-rich rind\u003c\/li\u003e\n\u003cli\u003eCream, charcoal, gray, and golden mineral layers\u003c\/li\u003e\n\u003cli\u003eDark moss-like markings within the backing\u003c\/li\u003e\n\u003cli\u003eVisible successive generations of silica deposition\u003c\/li\u003e\n\u003cli\u003eTall, slender approximately 4-inch profile\u003c\/li\u003e\n\u003cli\u003eTwo-part architectural silhouette\u003c\/li\u003e\n\u003cli\u003eNatural recessed channel between the rising sections\u003c\/li\u003e\n\u003cli\u003eStrong sparkle despite its compact 77-gram weight\u003c\/li\u003e\n\u003cli\u003eContrasting crystallized front and patterned reverse\u003c\/li\u003e\n\u003cli\u003eMultiple attractive viewing angles\u003c\/li\u003e\n\u003cli\u003eCustom display base produced in-house\u003c\/li\u003e\n\u003cli\u003eElevated, ready-to-display presentation\u003c\/li\u003e\n\u003cli\u003eExact specimen pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerfect for collectors of Uruguayan amethyst, Artigas minerals, sugar amethyst, rainbow amethyst, green chalcedony, druzy quartz, unusual geode formations, mounted minerals, and locality-focused quartz specimens.\u003c\/p\u003e\n\u003cp\u003eProfessionally packaged and shipped from Colorado.\u003c\/p\u003e\n\u003cp\u003eYou will receive the exact specimen shown.\u003c\/p\u003e\n\u003cp\u003eEvery order is backed by our commitment to quality and customer satisfaction. Thank you for supporting our family-owned small business.\u003c\/p\u003e","brand":"Serenity Soul Stones","offers":[{"title":"Default Title","offer_id":50143611126010,"sku":null,"price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/2328\/8826\/files\/20260820_131027.jpg?v=1787259929","url":"https:\/\/serenitysoulstones.com\/products\/rainbow-sugar-amethyst-on-green-chalcedony-los-catalanes-uruguay-77-g","provider":"Serenity Soul Stones","version":"1.0","type":"link"}