{"product_id":"pale-blue-green-fluorite-with-white-crystalline-growth-wheal-mary-ann-cornwall","title":"Pale Blue-Green Fluorite with White Crystalline Growth | Wheal Mary Ann, Cornwall","description":"\u003cp\u003eA beautiful natural \u003cstrong\u003epale blue-green fluorite specimen from Wheal Mary Ann, Menheniot, Cornwall\u003c\/strong\u003e, featuring translucent sea-glass coloured crystals surrounded by delicate white crystalline growth, soft champagne tones and warm golden-brown mineral staining.\u003c\/p\u003e\n\n\u003cp\u003eWeighing 155g, this attractive Cornish mineral specimen displays a wonderfully intricate crystalline surface, with angular fluorite formations, sparkling white crystal clusters and subtle variations in transparency. Its naturally irregular shape and contrasting textures make it a particularly interesting example of historic Cornish mineralisation.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis distinctive specimen displays a beautiful combination of \u003cstrong\u003epale blue-green, soft seafoam, icy grey-blue, creamy white and delicate champagne-coloured crystalline formations\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen has a broad, irregular upper section that gradually narrows towards its lower edge, creating a naturally tapered appearance.\u003c\/p\u003e\n\n\u003cp\u003eAcross its surface, translucent blue-green fluorite crystals emerge between densely intergrown white crystalline formations.\u003c\/p\u003e\n\n\u003cp\u003eThe fluorite displays subtle variations in colour, ranging from pale watery green to slightly deeper blue-grey tones.\u003c\/p\u003e\n\n\u003cp\u003eSeveral crystal faces exhibit a softly glass-like lustre, allowing light to penetrate their surfaces and reveal delicate internal structures.\u003c\/p\u003e\n\n\u003cp\u003eOne of the most attractive features is the abundance of \u003cstrong\u003esmall, sparkling white crystals\u003c\/strong\u003e distributed across the specimen.\u003c\/p\u003e\n\n\u003cp\u003eThese form intricate clusters around the larger fluorite sections, creating a beautifully textured surface with numerous reflective crystal faces.\u003c\/p\u003e\n\n\u003cp\u003eThe close-up photographs reveal an especially interesting area of crystalline growth, where angular translucent crystals overlap with smaller, irregular white formations.\u003c\/p\u003e\n\n\u003cp\u003eSome sections appear almost colourless, while others display a delicate blue-green tint beneath the surrounding crystalline material.\u003c\/p\u003e\n\n\u003cp\u003eNatural fractures, stepped crystal boundaries and uneven growth surfaces contribute to the specimen's complex appearance.\u003c\/p\u003e\n\n\u003cp\u003eScattered throughout the specimen are small areas of warm golden-orange and rusty-brown mineral staining.\u003c\/p\u003e\n\n\u003cp\u003eThese markings provide a subtle contrast against the cooler blue-green fluorite and white crystalline growth.\u003c\/p\u003e\n\n\u003cp\u003eThe staining is visually consistent with iron-bearing mineral deposits, although its precise composition has not been independently confirmed.\u003c\/p\u003e\n\n\u003cp\u003eViewed from different angles, the specimen reveals a variety of crystal structures, from relatively smooth translucent faces to rougher, densely intergrown crystalline sections.\u003c\/p\u003e\n\n\u003cp\u003eThe reverse displays additional pale green and grey-blue mineral areas, interspersed with creamy crystalline growth and natural surface irregularities.\u003c\/p\u003e\n\n\u003cp\u003eIts combination of soft colouration, translucent mineral sections and sparkling crystalline textures gives this specimen considerable visual interest.\u003c\/p\u003e\n\n\u003cp\u003eMeasuring \u003cstrong\u003e52.3mm × 46.5mm and weighing 155g\u003c\/strong\u003e, this is an attractive natural fluorite specimen attributed to the historic Wheal Mary Ann locality in Cornwall.\u003c\/p\u003e\n\n\u003ch3\u003eAbout Fluorite\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eFluorite (CaF₂)\u003c\/strong\u003e is a naturally occurring calcium fluoride mineral belonging to the halide mineral group.\u003c\/p\u003e\n\n\u003cp\u003eIt crystallises in the cubic, or isometric, crystal system and has a Mohs hardness of 4.\u003c\/p\u003e\n\n\u003cp\u003eFluorite is widely admired by mineral collectors for its remarkable variety of natural colours, including green, blue, purple, yellow, pink and colourless forms.\u003c\/p\u003e\n\n\u003cp\u003eThese colours can develop through trace impurities, structural defects and geological conditions during mineral formation.\u003c\/p\u003e\n\n\u003cp\u003eBlue-green fluorite can display a particularly delicate range of colours, from pale seafoam and watery green to soft blue-grey tones.\u003c\/p\u003e\n\n\u003cp\u003eThe appearance of these colours may vary depending on lighting, crystal thickness, transparency and the presence of associated minerals.\u003c\/p\u003e\n\n\u003cp\u003eFluorite commonly develops within hydrothermal mineral veins, where heated, mineral-rich fluids circulate through fractures and cavities in surrounding rocks.\u003c\/p\u003e\n\n\u003cp\u003eAs these fluids cool or undergo changes in pressure and chemical composition, dissolved minerals may crystallise within the available spaces.\u003c\/p\u003e\n\n\u003cp\u003eFluorite frequently occurs alongside quartz, calcite, baryte, galena, siderite and other minerals associated with hydrothermal deposits.\u003c\/p\u003e\n\n\u003cp\u003eOne of fluorite's defining physical characteristics is its \u003cstrong\u003eperfect octahedral cleavage\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis means that fluorite can naturally separate along particular crystallographic planes, sometimes producing distinctive angular surfaces and triangular formations.\u003c\/p\u003e\n\n\u003cp\u003eFluorite typically exhibits a vitreous, or glass-like, lustre, although natural weathering, fine crystalline coatings and irregular surface growth can produce a softer or frosted appearance.\u003c\/p\u003e\n\n\u003cp\u003eIts combination of colour, transparency, crystal structure and geological associations makes fluorite a popular mineral among collectors worldwide.\u003c\/p\u003e\n\n\u003ch3\u003eWheal Mary Ann \u0026amp; Cornish Mining Heritage\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWheal Mary Ann\u003c\/strong\u003e is a historic mineral locality situated near Menheniot in south-east Cornwall, England.\u003c\/p\u003e\n\n\u003cp\u003eThe Menheniot district forms part of Cornwall's extensive mining landscape and is particularly associated with historic lead and silver mining.\u003c\/p\u003e\n\n\u003cp\u003eAlthough Cornwall is internationally recognised for its tin and copper deposits, the south-eastern region also contains important lead-bearing mineral veins.\u003c\/p\u003e\n\n\u003cp\u003eDuring the nineteenth century, mining operations around Menheniot extracted lead ores, particularly galena, which could also contain economically valuable silver.\u003c\/p\u003e\n\n\u003cp\u003eThese deposits formed through hydrothermal geological processes, with heated mineral-rich fluids circulating through fractures in the surrounding rocks.\u003c\/p\u003e\n\n\u003cp\u003eOver time, these fluids deposited a varied assemblage of minerals, including quartz, fluorite, galena, siderite, calcite and other associated species.\u003c\/p\u003e\n\n\u003cp\u003eWheal Mary Ann is particularly interesting because historical geological investigations document complex relationships between successive generations of mineral deposition.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBritish Geological Survey's geological memoir covering Plymouth and South-East Cornwall\u003c\/strong\u003e identifies fluorite as an important gangue mineral at Wheal Mary Ann.\u003c\/p\u003e\n\n\u003cp\u003eGangue minerals occur alongside economically valuable ores but are not necessarily the principal materials being extracted.\u003c\/p\u003e\n\n\u003cp\u003eThe geological memoir describes quartz as a significant vein-filling mineral, with chalcedonic material occurring along portions of the vein walls.\u003c\/p\u003e\n\n\u003cp\u003eCrystalline quartz, galena and siderite are also documented within the mineral sequence.\u003c\/p\u003e\n\n\u003cp\u003eHistorical geological observations indicate that at least two generations of fluorite mineralisation occurred at Wheal Mary Ann.\u003c\/p\u003e\n\n\u003cp\u003eThis suggests that the mineral veins experienced multiple episodes of deposition under changing geological conditions.\u003c\/p\u003e\n\n\u003cp\u003eSuch processes can produce complex mineral associations, overlapping crystalline formations and variations in crystal development.\u003c\/p\u003e\n\n\u003cp\u003eFluorite from historic Cornish localities is particularly appealing to collectors interested in British mineralogy, geological history and the country's mining heritage.\u003c\/p\u003e\n\n\u003cp\u003eThis specimen offers an attractive example of fluorite attributed to Wheal Mary Ann, combining delicate blue-green colouration, white crystalline growth and naturally contrasting mineral textures.\u003c\/p\u003e\n\n\u003ch3\u003eIntention \u0026amp; Associated Chakras\u003c\/h3\u003e\n\n\u003cp\u003eWithin traditional crystal healing practices, fluorite is associated with mental clarity, emotional balance, concentration and personal growth.\u003c\/p\u003e\n\n\u003cp\u003eGreen fluorite is traditionally connected with the \u003cstrong\u003eHeart Chakra\u003c\/strong\u003e, symbolically representing compassion, harmony and emotional wellbeing.\u003c\/p\u003e\n\n\u003cp\u003eBlue fluorite is commonly associated with the \u003cstrong\u003eThroat Chakra\u003c\/strong\u003e, symbolically connected with communication, self-expression and clear understanding.\u003c\/p\u003e\n\n\u003cp\u003eThe delicate blue-green colouration of this specimen brings together these traditional symbolic associations.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmotional Balance:\u003c\/strong\u003e Traditionally associated with maintaining calm and emotional harmony.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMental Clarity:\u003c\/strong\u003e Symbolically connected with clear thinking and understanding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Blue fluorite is traditionally associated with honest expression and thoughtful communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus:\u003c\/strong\u003e Commonly linked with concentration and mental organisation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalm:\u003c\/strong\u003e Associated in crystal traditions with peaceful reflection and a balanced mindset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePersonal Growth:\u003c\/strong\u003e Green fluorite is symbolically connected with renewal and positive development.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Chakra:\u003c\/strong\u003e Heart Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSecondary Chakra:\u003c\/strong\u003e Throat Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Intention:\u003c\/strong\u003e Calm, emotional balance and mental clarity.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThese associations reflect traditional spiritual beliefs and are not scientifically established effects of fluorite.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eNatural Formation \u0026amp; Symbolism\u003c\/h3\u003e\n\n\u003cp\u003eThis specimen retains its natural crystalline formation, displaying a complex arrangement of translucent fluorite sections and smaller white crystalline growth.\u003c\/p\u003e\n\n\u003cp\u003eIts broad upper section gradually narrows towards the base, creating an irregular, naturally tapered silhouette.\u003c\/p\u003e\n\n\u003cp\u003eThe pale blue-green fluorite exhibits softly glass-like crystal faces, with subtle internal cloudiness and variations in transparency.\u003c\/p\u003e\n\n\u003cp\u003eSmaller white crystalline formations cover portions of the specimen, producing an intricate, sparkling texture.\u003c\/p\u003e\n\n\u003cp\u003eNatural fractures, angular boundaries and uneven crystal surfaces create further visual interest.\u003c\/p\u003e\n\n\u003cp\u003eWarm golden-brown mineral staining adds contrast to the cooler blue-green and white colour palette.\u003c\/p\u003e\n\n\u003cp\u003eWithin traditional crystal symbolism, blue-green fluorite is associated with balance, clarity and communication.\u003c\/p\u003e\n\n\u003cp\u003eBeyond these symbolic associations, this specimen's principal appeal lies in its delicate natural colouration, intricate crystalline growth and connection to Cornwall's historic mineral-producing landscape.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Details\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral:\u003c\/strong\u003e Fluorite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e CaF₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral Group:\u003c\/strong\u003e Halides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Cubic (Isometric)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied Locality Attribution:\u003c\/strong\u003e Wheal Mary Ann\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Menheniot, Cornwall, England\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 155g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 52.3mm × 46.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural fluorite specimen with associated white crystalline growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Pale blue-green, seafoam, grey-blue, creamy white and champagne\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Translucent fluorite, sparkling white crystalline clusters, angular crystal faces, natural fractures and golden-brown mineral staining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Raw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural, unpolished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e One individual specimen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eYou will receive the exact specimen photographed. Natural mineral specimens may display irregular edges, fractures, inclusions, uneven surfaces, mineral staining and delicate crystalline formations.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThe acrylic display support, wooden plinth and decorative flowers shown in the photographs are not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSources \u0026amp; References\u003c\/h3\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBritish Geological Survey – Plymouth and South-East Cornwall Area, Geological Memoir (Sheet 348).\u003c\/strong\u003e Geological documentation describing the Menheniot mineral veins, Wheal Mary Ann mineralisation and multiple generations of fluorite formation.\u003cbr\u003e\n\u003ca href=\"https:\/\/webapps.bgs.ac.uk\/memoirs\/docs\/B06072.html\" target=\"_blank\" rel=\"noopener\"\u003eBritish Geological Survey Geological Memoir\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBritish Geological Survey – Silver, Mineral Resources Consultative Committee Mineral Dossier.\u003c\/strong\u003e Geological and historical information concerning the Menheniot lead-silver mining district.\u003cbr\u003e\n\u003ca href=\"https:\/\/nora.nerc.ac.uk\/id\/eprint\/540032\/1\/B02707.pdf\" target=\"_blank\" rel=\"noopener\"\u003eBritish Geological Survey Silver Mineral Dossier\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMindat – Wheal Mary Ann, Menheniot, Cornwall.\u003c\/strong\u003e Mineral locality database documenting fluorite and associated mineral species.\u003cbr\u003e\n\u003ca href=\"https:\/\/www.mindat.org\/loc-1074.html\" target=\"_blank\" rel=\"noopener\"\u003eWheal Mary Ann Mineral Locality\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eUniversity of Cambridge – Fluorite Mineral Collection.\u003c\/strong\u003e Mineralogical information concerning fluorite's chemical composition, crystal system, cleavage and physical properties.\u003cbr\u003e\n\u003ca href=\"https:\/\/p1acollections.esc.cam.ac.uk\/p1acollections\/exhibits\/show\/minerals\/fluorite.html\" target=\"_blank\" rel=\"noopener\"\u003eUniversity of Cambridge Fluorite Collection\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHenwood, W. J. (1871).\u003c\/strong\u003e \u003cem\u003eObservations on Metalliferous Deposits: On the Lead Mines of Menheniot, Lanreath and Saint Pinnock.\u003c\/em\u003e Transactions of the Royal Geological Society of Cornwall, Volume 8, pages 699–722.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harpo's Angels","offers":[{"title":"Default Title","offer_id":59285400813903,"sku":"A19","price":19.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_94fffd17-a719-4126-a91b-101cbfd89e17.png?v=1793129905","url":"https:\/\/harposangels.co.uk\/products\/pale-blue-green-fluorite-with-white-crystalline-growth-wheal-mary-ann-cornwall","provider":"Harpo's Angels","version":"1.0","type":"link"}