{"product_id":"pale-green-blue-fluorite-wheal-mary-ann-cornwall","title":"Pale Green \u0026 Blue Fluorite | Wheal Mary Ann, Cornwall","description":"\u003cp\u003eA distinctive natural fluorite specimen from \u003cstrong\u003eWheal Mary Ann, Menheniot, Cornwall\u003c\/strong\u003e, featuring delicate pale green and blue-grey crystalline areas, translucent cream-coloured sections and contrasting rusty-orange mineral staining. Its elongated formation, intricate crystalline textures and naturally weathered surfaces make this an attractive example of historic Cornish fluorite.\u003c\/p\u003e\n\n\u003cp\u003eWeighing 105g, this specimen displays a fascinating combination of softly coloured fluorite, angular crystal faces and fine sparkling crystalline growth. The scattered orange-brown staining highlights the mineral's natural fractures and crystal boundaries, adding warmth and depth to its otherwise cool, muted colour palette.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis beautiful specimen features an \u003cstrong\u003eelongated, irregular formation\u003c\/strong\u003e with a mixture of pale green, blue-grey, translucent cream and soft yellow-green crystalline sections.\u003c\/p\u003e\n\n\u003cp\u003eThe overall shape is relatively narrow and horizontally extended, giving the specimen a distinctive profile when displayed.\u003c\/p\u003e\n\n\u003cp\u003eAcross the principal face, areas of pale green fluorite are interspersed with darker blue-grey crystalline patches and lighter, almost colourless mineral growth.\u003c\/p\u003e\n\n\u003cp\u003eThe darker areas appear concentrated towards several exposed sections, creating subtle contrasts between the translucent and more opaque portions of the specimen.\u003c\/p\u003e\n\n\u003cp\u003eSmall angular crystal faces are visible throughout, displaying fluorite's characteristic geometric structure and naturally fractured surfaces.\u003c\/p\u003e\n\n\u003cp\u003eSeveral sections reveal a slightly glassy lustre, while others have a frosted or granular appearance associated with natural surface alteration.\u003c\/p\u003e\n\n\u003cp\u003eOne of the specimen's most attractive features is the presence of \u003cstrong\u003efine sparkling crystalline growth\u003c\/strong\u003e across portions of its surface.\u003c\/p\u003e\n\n\u003cp\u003eThese tiny crystals create a delicate textured appearance, particularly where they cover the pale green and cream-coloured sections.\u003c\/p\u003e\n\n\u003cp\u003eUnder closer inspection, the crystalline surface reveals numerous small reflective faces, irregular cavities and interlocking mineral formations.\u003c\/p\u003e\n\n\u003cp\u003eScattered throughout the specimen are distinctive rusty-orange and golden-brown patches, consistent in appearance with natural iron oxide staining.\u003c\/p\u003e\n\n\u003cp\u003eThese warm-coloured areas occur along exposed crystal boundaries, within shallow recesses and across sections of the lighter crystalline material.\u003c\/p\u003e\n\n\u003cp\u003eThe staining varies from small orange speckles to more concentrated patches, creating a naturally mottled appearance.\u003c\/p\u003e\n\n\u003cp\u003eOne side reveals a particularly attractive arrangement of blue-grey fluorite surrounded by pale green and cream-coloured crystals.\u003c\/p\u003e\n\n\u003cp\u003eHere, the contrast between the darker crystalline sections and lighter surrounding material gives the specimen additional depth.\u003c\/p\u003e\n\n\u003cp\u003eFrom another angle, the elongated formation reveals broader areas of pale green fluorite, with angular faces and naturally uneven edges.\u003c\/p\u003e\n\n\u003cp\u003eThe reverse displays a greater concentration of orange-brown staining across a predominantly pale crystalline surface.\u003c\/p\u003e\n\n\u003cp\u003eThis side has a more rugged appearance, with small cavities, irregular mineral growth and scattered darker inclusions or coatings.\u003c\/p\u003e\n\n\u003cp\u003eThe variation between its faces makes the specimen especially interesting to examine from different angles.\u003c\/p\u003e\n\n\u003cp\u003eIts crystalline surfaces range from translucent and softly reflective to rougher, more heavily textured areas.\u003c\/p\u003e\n\n\u003cp\u003eNatural fractures and cleavage planes are visible throughout the formation, reflecting the physical characteristics of fluorite.\u003c\/p\u003e\n\n\u003cp\u003eMeasuring \u003cstrong\u003e75.1mm × 28.1mm and weighing 105g\u003c\/strong\u003e, this specimen offers an attractive combination of unusual shape, subtle colour variation and detailed natural mineral textures.\u003c\/p\u003e\n\n\u003cp\u003eIts pale green and blue-grey fluorite, contrasting rusty-orange staining and delicate crystalline growth make it an appealing addition to a collection of British minerals, Cornish fluorite or historic mining specimens.\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 particularly well known for its extraordinary range of natural colours, including purple, blue, green, yellow, pink, brown and colourless varieties.\u003c\/p\u003e\n\n\u003cp\u003eIndividual specimens can contain several colours within the same crystalline formation, sometimes producing distinctive zones, bands or irregular colour transitions.\u003c\/p\u003e\n\n\u003cp\u003eThese variations can arise through crystal lattice defects, trace impurities and other geological processes affecting the mineral during formation.\u003c\/p\u003e\n\n\u003cp\u003eGreen and blue fluorite may develop their colouration through different combinations of structural defects and naturally occurring impurities.\u003c\/p\u003e\n\n\u003cp\u003eFluorite commonly forms 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 chemical changes, dissolved minerals 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 ore deposits.\u003c\/p\u003e\n\n\u003cp\u003eOne of fluorite's defining physical properties is its \u003cstrong\u003eperfect octahedral cleavage\u003c\/strong\u003e, which allows the mineral to separate along specific crystallographic planes.\u003c\/p\u003e\n\n\u003cp\u003eThis characteristic produces distinctive angular fractures and geometric surfaces, many of which are visible in naturally fractured specimens.\u003c\/p\u003e\n\n\u003cp\u003eAlthough fluorite commonly develops cubic crystals, its cleavage properties can create triangular, stepped and irregular angular formations.\u003c\/p\u003e\n\n\u003cp\u003eFluorite typically exhibits a vitreous, or glass-like, lustre, although natural weathering, mineral coatings and surface alteration can produce frosted or matte appearances.\u003c\/p\u003e\n\n\u003cp\u003eSome fluorite specimens also exhibit fluorescence under ultraviolet light, although this varies considerably between individual specimens and mineral localities.\u003c\/p\u003e\n\n\u003cp\u003eUltraviolet fluorescence has not been confirmed for this particular piece.\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 renowned for its tin and copper deposits, the south-eastern part of the county also contains important lead-bearing mineral veins.\u003c\/p\u003e\n\n\u003cp\u003eDuring the nineteenth century, mining operations in the Menheniot area extracted lead ores, particularly galena, which could also contain economically valuable silver.\u003c\/p\u003e\n\n\u003cp\u003eThe mineral veins developed through hydrothermal geological processes, with heated mineral-rich fluids circulating through fractures in the surrounding rocks.\u003c\/p\u003e\n\n\u003cp\u003eThese 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 studies 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, with its pale green and blue-grey crystalline areas, contrasting rusty-orange staining and distinctive elongated formation.\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, concentration, emotional balance and calm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGreen fluorite\u003c\/strong\u003e is commonly connected with the Heart Chakra, symbolically representing emotional balance, harmony, peaceful reflection and personal understanding.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBlue fluorite\u003c\/strong\u003e is traditionally associated with the Throat Chakra, representing communication, self-expression and clear thinking.\u003c\/p\u003e\n\n\u003cp\u003eThe combination of green and blue fluorite is sometimes interpreted as representing harmony between emotional awareness and thoughtful communication.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalm:\u003c\/strong\u003e Traditionally associated with peaceful reflection, emotional balance and a settled mindset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMental Clarity:\u003c\/strong\u003e Symbolically connected with clear thinking, understanding and mental organisation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus:\u003c\/strong\u003e Traditionally linked with concentration, learning and maintaining attention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmotional Balance:\u003c\/strong\u003e Green fluorite is associated with harmony, reflection and emotional awareness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Blue fluorite is traditionally connected with thoughtful expression and understanding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePersonal Growth:\u003c\/strong\u003e Symbolically associated with learning, self-awareness and developing perspective.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssociated Chakras:\u003c\/strong\u003e Heart Chakra and Throat Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Intention:\u003c\/strong\u003e Calm 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 structure, irregular edges, exposed cleavage surfaces and areas of mineral staining.\u003c\/p\u003e\n\n\u003cp\u003eIts elongated shape gives it an unusual profile compared with more compact fluorite specimens.\u003c\/p\u003e\n\n\u003cp\u003eThe pale green and blue-grey crystalline sections create a soft, muted colour palette, while the scattered rusty-orange staining introduces contrasting warmth.\u003c\/p\u003e\n\n\u003cp\u003eSmall reflective crystal faces are visible across several surfaces, giving the specimen a delicate sparkle when viewed under direct lighting.\u003c\/p\u003e\n\n\u003cp\u003eOther sections display rougher, more weathered textures, adding to its natural geological character.\u003c\/p\u003e\n\n\u003cp\u003eThe contrast between translucent fluorite, darker crystalline areas and orange-brown mineral coatings makes each viewing angle slightly different.\u003c\/p\u003e\n\n\u003cp\u003eWithin traditional crystal symbolism, green fluorite is associated with emotional harmony and peaceful reflection, while blue fluorite is connected with communication and mental clarity.\u003c\/p\u003e\n\n\u003cp\u003eBeyond its symbolic associations, the specimen's appeal lies in its distinctive natural shape, subtle colour variation, intricate crystalline textures 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 105g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 75.1mm × 28.1mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural fluorite specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Pale green, blue-grey, cream, yellow-green and rusty-orange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Elongated formation, translucent fluorite, blue-grey crystalline areas, fine sparkling crystal growth, natural cleavage surfaces and orange-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":59275087118671,"sku":"A23","price":23.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_699aa0b4-42be-432a-a76c-e1c637441d71.png?v=1793046566","url":"https:\/\/harposangels.co.uk\/products\/pale-green-blue-fluorite-wheal-mary-ann-cornwall","provider":"Harpo's Angels","version":"1.0","type":"link"}