{"title":"UV reactive specimens","description":"\u003cp\u003eDiscover fluorescent and UV reactive mineral specimens that reveal incredible hidden colours under ultraviolet light. From glowing calcite and fluorite to phosphorescent minerals and sparkling crystal clusters, each specimen is carefully selected for its natural fluorescence, unique formations and collector appeal. Perfect for UV mineral collectors, display pieces and fluorescent mineral enthusiasts.\u003c\/p\u003e","products":[{"product_id":"pyrite-calcite-cluster-uv-orange-fluorescencepyrite-on-calcite-cluster-uv-reactive-orange-fluorescence-crystal-specimen-400g","title":"Pyrite on Calcite Cluster – UV Reactive Orange Fluorescence Crystal Specimen (400g)","description":"\u003cp\u003e✨ Pyrite on Calcite Cluster – UV Reactive Orange Fluorescence ✨\u003c\/p\u003e\n\u003cp\u003eA striking natural calcite crystal cluster featuring shimmering pyrite inclusions, creating a beautiful contrast between icy translucence and metallic sparkle.\u003c\/p\u003e\n\u003cp\u003eUnder 365nm UV light, this specimen displays a vivid orange fluorescence, making it a standout display piece both in daylight and under UV.\u003c\/p\u003e\n\u003cp\u003eThe formation showcases well-defined calcite points with scattered pyrite throughout, set on a natural matrix base that highlights its geological character.\u003c\/p\u003e\n\u003cp\u003e✨ Key Features\u003cbr\u003e • Natural calcite cluster with pyrite inclusions\u003cbr\u003e • Strong orange fluorescence under UV light (365nm)\u003cbr\u003e • Sparkling metallic pyrite contrast\u003cbr\u003e • Display-quality crystal formation\u003cbr\u003e • One-of-a-kind specimen\u003c\/p\u003e\n\u003cp\u003e📏 Specifications\u003cbr\u003e Weight: 400g\u003cbr\u003e Dimensions: 56 x 54 x 111 mm\u003cbr\u003e Minerals: Calcite, Pyrite\u003c\/p\u003e\n\u003cp\u003e🪨 Condition\u003cbr\u003e Natural, untreated specimen\u003cbr\u003e Minor natural edge wear consistent with formation\u003cbr\u003e No repairs or enhancements\u003c\/p\u003e\n\u003cp\u003e🎯 Perfect For\u003cbr\u003e Mineral and crystal collectors\u003cbr\u003e UV reactive mineral displays\u003cbr\u003e Cabinet specimens\u003cbr\u003e Unique home décor pieces\u003c\/p\u003e\n\u003cp\u003e📦 Shipping\u003cbr\u003e Carefully packaged for safe delivery\u003cbr\u003e Ships from the UK 🇬🇧\u003c\/p\u003e","brand":"Sacred strands \u0026 stones","offers":[{"title":"Default Title","offer_id":56877602701689,"sku":null,"price":48.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/files\/rn-image_picker_lib_temp_549b1483-f3e2-4cd5-a9e2-ad1057ebf93c.jpg?v=1774734332"},{"product_id":"uv-reactive-calcite-cluster-yellow-afterglow-phosphorescent-472g-collector-specimen","title":"UV Reactive Calcite Cluster – Yellow Afterglow (Phosphorescent) Crystal Specimen 472g","description":"\u003cp\u003e✨ UV Reactive Calcite Cluster with Yellow Afterglow ✨\u003c\/p\u003e\n\u003cp\u003eabsorbs UV light and releases it slowly as visible afterglow (phosphorescence\u003c\/p\u003e\n\u003cp\u003eUnder 365nm UV, this piece activates with a soft glow… but the real magic happens in the dark, where it releases a warm yellow afterglow (phosphorescence), creating a unique and captivating display.\u003c\/p\u003e\n\u003cp\u003eUnlike standard fluorescent minerals, this crystal stores light energy and slowly emits it, making it far more interactive and eye-catching.\u003c\/p\u003e\n\u003cp\u003e✨ Why You’ll Love It\u003cbr\u003e • Rare phosphorescent afterglow (continues glowing after UV)\u003cbr\u003e • Strong UV activation\u003cbr\u003e • Textured botryoidal calcite formation\u003cbr\u003e • Large, display-sized piece\u003cbr\u003e • One-of-a-kind specimen\u003c\/p\u003e\n\u003cp\u003e📏 Specifications\u003cbr\u003e Weight: 472g\u003cbr\u003e Size: 46 x 140 x 84 mm\u003cbr\u003e Mineral: Calcite\u003c\/p\u003e\n\u003cp\u003e💡 What Makes This Special\u003cbr\u003e Most UV minerals only glow under light — this one keeps glowing after. That makes it far rarer and more desirable for collectors.\u003c\/p\u003e\n\u003cp\u003e⚠️ Please Note\u003cbr\u003e Natural, untreated specimen\u003cbr\u003e Minor imperfections are part of natural formation\u003c\/p\u003e\n\u003cp\u003e🎯 Perfect For\u003cbr\u003e UV reactive mineral collectors\u003cbr\u003e Fluorescent \u0026amp; phosphorescent displays\u003cbr\u003e Cabinet specimens\u003cbr\u003e Statement decor pieces\u003c\/p\u003e\n\u003cp\u003e📦 Shipping\u003cbr\u003e Securely packaged for safe delivery\u003cbr\u003e UK dispatch 🇬🇧\u003c\/p\u003e","brand":"Sacred strands \u0026 stones","offers":[{"title":"Default Title","offer_id":56877887816057,"sku":null,"price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/files\/rn-image_picker_lib_temp_7f7543df-e8bd-42f7-b912-e2a6753d2f30.jpg?v=1774733999"},{"product_id":"uv-reactive-calcite-with-galena-sparkling-crystal-plate-with-orange-fluorescence","title":"UV Reactive Calcite \u0026 Galena Crystal Plate – Orange Fluorescent Druzy Mineral Specimen","description":"\u003cp\u003e✨ UV Reactive Calcite with Galena Crystal Plate ✨\u003c\/p\u003e\n\u003cp\u003eglows bright orange under UV light\u003c\/p\u003e\n\u003cp\u003eA stunning fully encrusted calcite crystal plate featuring metallic galena inclusions and an intense UV reactive glow. This piece combines high sparkle with strong fluorescence, making it a standout display specimen.\u003c\/p\u003e\n\u003cp\u003eUnder 365nm UV light, the crystal displays:\u003cbr\u003e 🔥 Bright orange\/pink fluorescence\u003cbr\u003e ❄️ Subtle blue sparkle across the surface\u003cbr\u003e 🖤 Dark metallic galena contrast\u003c\/p\u003e\n\u003cp\u003eIn natural light, the surface is covered in densely packed sparkling calcite crystals, creating a frosted, glittering effect across the entire piece.\u003c\/p\u003e\n\u003cp\u003e✨ Why You’ll Love It\u003cbr\u003e • Strong orange UV fluorescence\u003cbr\u003e • Fully crystal-covered druzy surface\u003cbr\u003e • Metallic galena contrast\u003cbr\u003e • High sparkle display specimen\u003cbr\u003e • One-of-a-kind – exact piece shown\u003c\/p\u003e\n\u003cp\u003e📏 Specifications\u003cbr\u003e Weight: 293.7g\u003cbr\u003e Minerals: Calcite, Galena\u003cbr\u003e UV Reaction: Orange\/pink (365nm)\u003c\/p\u003e\n\u003cp\u003e⚠️ Please Note\u003cbr\u003e Contains galena (lead sulphide) – wash hands after handling\u003cbr\u003e Natural mineral – minor imperfections are normal\u003c\/p\u003e\n\u003cp\u003e🎯 Perfect For\u003cbr\u003e UV reactive mineral collectors\u003cbr\u003e Fluorescent mineral displays\u003cbr\u003e Cabinet specimens\u003cbr\u003e Unique gift pieces\u003c\/p\u003e\n\u003cp\u003e📦 Shipping\u003cbr\u003e Carefully packaged for safe delivery\u003cbr\u003e UK dispatch 🇬🇧\u003c\/p\u003e","brand":"Sacred strands \u0026 stones","offers":[{"title":"Default Title","offer_id":56879645229433,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/files\/rn-image_picker_lib_temp_8850a0c1-da57-4fb0-a8ce-d047febbcc87.jpg?v=1774733641"},{"product_id":"uv-reactive-creedite-fluorite-crystal-phosphorescent-glow-mineral-specimen-111g","title":"Rare UV Reactive Creedite \u0026 Fluorite Specimen – Phosphorescent Afterglow Mineral (111g)","description":"\u003cp\u003e✨ Rare UV Reactive Creedite \u0026amp; Fluorite Crystal ✨\u003c\/p\u003e\n\u003cp\u003eA striking collector-grade specimen featuring delicate creedite crystal sprays paired with fluorite, creating an exceptional UV-reactive display piece.\u003c\/p\u003e\n\u003cp\u003eUnder ultraviolet light, the fluorite glows a vivid purple, while sections of the specimen exhibit \u003cstrong\u003ephosphorescence\u003c\/strong\u003e, continuing to glow even after the UV light is removed — a rare and highly sought-after feature among mineral collectors.\u003c\/p\u003e\n\u003cp\u003eIn natural light, the piece reveals intricate textures and sparkling formations across a neutral matrix, offering beauty both day and night.\u003c\/p\u003e\n\u003cp\u003e✨ Why This Piece Stands Out\u003cbr\u003e • Rare creedite + fluorite combination\u003cbr\u003e • Strong UV fluorescence (vivid purple glow)\u003cbr\u003e • Visible phosphorescent afterglow\u003cbr\u003e • Fine needle-like crystal formations\u003cbr\u003e • One-of-a-kind collector specimen\u003c\/p\u003e\n\u003cp\u003e📏 Size \u0026amp; Weight\u003cbr\u003e Weight: 111g\u003cbr\u003e Size: approx 8 x 6 x 3 cm\u003c\/p\u003e\n\u003cp\u003e🎯 Perfect For\u003cbr\u003e Mineral collectors\u003cbr\u003e UV reactive collections\u003cbr\u003e Display pieces\u003cbr\u003e Unique gifts\u003c\/p\u003e\n\u003cp\u003e🌿 Natural Notice\u003cbr\u003e This is a genuine natural mineral specimen. Minor imperfections are part of its natural formation.\u003c\/p\u003e\n\u003cp\u003e📦 Shipping\u003cbr\u003e Carefully packaged for safe delivery\u003cbr\u003e UK dispatch 🇬🇧\u003c\/p\u003e","brand":"Sacred strands \u0026 stones","offers":[{"title":"Default Title","offer_id":56892447261049,"sku":null,"price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/files\/rn-image_picker_lib_temp_fa0bd37a-f0da-4cef-b84c-4fc1a5ffea27.jpg?v=1774280086"},{"product_id":"large-uv-reactive-calcite-crystal-cluster-1-1kg-red-fluorescence-green-afterglow","title":"UV Reactive Calcite Crystal Cluster 1.1kg – Red Fluorescence \u0026 Green Phosphorescence Specimen","description":"\u003cp\u003e✨ Rare UV Reactive Calcite with Afterglow\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eA large natural calcite crystal cluster featuring intricate bladed formations and sparkling druzy textures. Under UV light, this specimen displays strong red\/orange fluorescence, followed by a visible green phosphorescent afterglow — a rare and highly sought-after combination.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis is a standout collector’s piece with both visual impact and unique UV properties.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e📏 Size \u0026amp; Weight\u003c\/p\u003e\n\u003cp\u003eWeight: 1.1kg\u003c\/p\u003e\n\u003cp\u003eDimensions: approx 20 × 15 × 8 cm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e🔥 Key Features\u003c\/p\u003e\n\u003cp\u003e• Strong red\/orange fluorescence under UV\u003c\/p\u003e\n\u003cp\u003e• Noticeable green afterglow (phosphorescence)\u003c\/p\u003e\n\u003cp\u003e• Detailed bladed calcite crystal formations\u003c\/p\u003e\n\u003cp\u003e• Natural druzy crystal coverage\u003c\/p\u003e\n\u003cp\u003e• Large, one-of-a-kind display specimen\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e💎 Perfect For\u003c\/p\u003e\n\u003cp\u003e• Mineral \u0026amp; crystal collectors\u003c\/p\u003e\n\u003cp\u003e• UV reactive specimen collections\u003c\/p\u003e\n\u003cp\u003e• Statement display pieces\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e🖤 Display\u003c\/p\u003e\n\u003cp\u003ePhotographed on a stand for presentation\u003c\/p\u003e\n\u003cp\u003e(stand not included unless stated)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e📦 Shipping\u003c\/p\u003e\n\u003cp\u003eCarefully packaged for safe delivery\u003c\/p\u003e\n\u003cp\u003eUK dispatch 🇬🇧\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e⚠️ Please Note\u003c\/p\u003e\n\u003cp\u003eThis is a natural mineral specimen – minor imperfections are part of its formation.\u003c\/p\u003e","brand":"Sacred strands \u0026 stones","offers":[{"title":"Default Title","offer_id":56912852386169,"sku":null,"price":135.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/files\/rn-image_picker_lib_temp_0f0a7159-86fd-4eea-8d92-0c91aa1490e6.png?v=1774562099"},{"product_id":"uv-reactive-quartz-calcite-fluorite-crystal-cluster-sparkling-mineral-specimen-396g","title":"UV Reactive Quartz, Calcite \u0026 Fluorite Crystal Cluster | Sparkling Mineral Specimen | 396g","description":"\u003cp\u003eUV Reactive Quartz, Calcite \u0026amp; Fluorite Crystal Cluster – 396g\u003cbr\u003eA beautifully sparkling natural mineral specimen featuring translucent Fluorite crystals nestled amongst shimmering Quartz druze and layered Calcite formations.\u003cbr\u003eThis unique collector piece displays incredible texture and crystal coverage from every angle, with multiple well-formed Fluorite crystals sitting across a glittering bed of Quartz. Under UV light, the Fluorite fluoresces beautifully, creating an eye-catching glow that makes this specimen especially striking for display and collectors of fluorescent minerals.\u003cbr\u003eThe combination of icy-clear crystals, soft white Calcite, and delicate sparkle gives this piece an elegant and highly aesthetic appearance both in natural light and under UV.\u003cbr\u003eFeatures\u003cbr\u003eNatural Quartz, Calcite \u0026amp; Fluorite\u003cbr\u003eStrong UV reactive fluorescence\u003cbr\u003eSparkling drusy crystal coverage\u003cbr\u003eMultiple visible Fluorite crystal formations\u003cbr\u003eOne-of-a-kind collector specimen\u003cbr\u003eIdeal for mineral collections, display shelves, cabinets, or gifts\u003cbr\u003eSize \u0026amp; Weight\u003cbr\u003eWeight: 396g\u003cbr\u003eApprox dimensions: 9 x 10 x 5 cm\u003cbr\u003eImportant Information\u003cbr\u003eYou will receive the exact specimen shown\u003cbr\u003eColours may vary slightly depending on lighting and screen settings\u003cbr\u003eDisplay stand not included unless stated otherwise\u003c\/p\u003e","brand":"Sacred strands \u0026 stones","offers":[{"title":"Default Title","offer_id":57235301269881,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/files\/rn-image_picker_lib_temp_9fc69ea0-9ba4-41a5-b36d-e1092d7ec7e4.jpg?v=1778325344"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/0156\/6585\/collections\/rn-image_picker_lib_temp_2b60a0c8-5995-4a80-a017-eadff8e311eb.jpg?v=1779118099","url":"https:\/\/sacredstrandsstones.co.uk\/collections\/uv-reactive-specimens.oembed","provider":"Sacred strands \u0026 stones","version":"1.0","type":"link"}