{"product_id":"pale-green-smoky-grey-fluorite-with-iron-staining-wheal-mary-ann-cornwall","title":"Pale Green \u0026 Smoky Grey Fluorite with Iron Staining | Wheal Mary Ann, Cornwall","description":"\u003cp\u003eA substantial natural \u003cstrong\u003epale green and smoky grey fluorite specimen from Wheal Mary Ann, Menheniot, Cornwall\u003c\/strong\u003e, featuring a broad crystalline formation, translucent mineral sections and striking golden-orange iron staining.\u003c\/p\u003e\n\n\u003cp\u003eWeighing \u003cstrong\u003e745g\u003c\/strong\u003e and measuring approximately \u003cstrong\u003e108.7mm × 92.0mm\u003c\/strong\u003e, this impressive Cornish mineral specimen displays an intricate combination of pale green, smoky grey, creamy white and honey-yellow fluorite. Its prominent angular crystal surfaces, naturally fractured sections and contrasting rusty-orange deposits make it a distinctive addition to any British mineral collection.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis substantial fluorite specimen features a broad, irregular formation with a fascinating combination of colour, crystalline texture and natural mineral alteration.\u003c\/p\u003e\n\n\u003cp\u003eIts predominant colouring ranges from \u003cstrong\u003epale green and translucent smoky grey to creamy white, soft honey-yellow and warm golden orange\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eOne of its most distinctive characteristics is the extensive iron staining distributed across the specimen, particularly through the central crystalline sections and along naturally occurring fractures.\u003c\/p\u003e\n\n\u003cp\u003eThese rusty-orange and deep brown deposits create a dramatic contrast against the lighter fluorite, highlighting the mineral's angular structure and intricate internal boundaries.\u003c\/p\u003e\n\n\u003cp\u003eThe principal display face features broad, translucent fluorite sections interspersed with darker smoky-grey crystalline areas. Some surfaces possess a glass-like appearance, while others display naturally frosted textures and irregular cleavage planes.\u003c\/p\u003e\n\n\u003cp\u003eSeveral prominent crystal boundaries are visible through the central portion, where iron-rich staining follows fractures and separates the differently coloured mineral sections.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen's outer edges are predominantly creamy white and pale yellow, with scattered golden-orange deposits extending across the crystalline surface.\u003c\/p\u003e\n\n\u003cp\u003eTurning the specimen reveals a particularly interesting reverse, featuring an uneven arrangement of smaller interlocking crystals, natural cavities and concentrated areas of rusty-orange mineral staining.\u003c\/p\u003e\n\n\u003cp\u003eThe reverse also displays smoky grey and translucent green sections beneath the iron-stained surface, creating additional depth and variation.\u003c\/p\u003e\n\n\u003cp\u003eClose examination reveals angular cleavage faces, reflective crystalline surfaces and small natural recesses within the mineral structure.\u003c\/p\u003e\n\n\u003cp\u003eThe contrast between its broad, relatively flat crystalline faces and its more heavily textured reverse gives the specimen a different appearance from each viewing angle.\u003c\/p\u003e\n\n\u003cp\u003eAt \u003cstrong\u003e745g\u003c\/strong\u003e, this is an impressive example of Cornish fluorite, with a substantial natural formation and striking mineral character.\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 recognised for its remarkable variety of natural colours, including green, purple, blue, yellow, grey, pink and colourless forms.\u003c\/p\u003e\n\n\u003cp\u003eThese variations can develop through trace impurities, defects within the crystal structure and differences in the geological conditions present during mineral formation.\u003c\/p\u003e\n\n\u003cp\u003eFluorite commonly forms within hydrothermal mineral veins, where heated, mineral-rich fluids circulate through fractures and cavities in the surrounding rock.\u003c\/p\u003e\n\n\u003cp\u003eAs these fluids cool or undergo changes in pressure and chemical composition, dissolved minerals begin to crystallise.\u003c\/p\u003e\n\n\u003cp\u003eFluorite frequently occurs alongside quartz, calcite, baryte, galena and other minerals associated with hydrothermal deposits.\u003c\/p\u003e\n\n\u003cp\u003eIts characteristic cubic crystal habit and perfect octahedral cleavage are important identifying features.\u003c\/p\u003e\n\n\u003cp\u003eNatural cleavage can produce smooth, angular surfaces, while successive periods of mineral deposition may create complex interlocking crystalline formations.\u003c\/p\u003e\n\n\u003cp\u003eThe pale green, smoky grey and honey-yellow colouring visible in this specimen demonstrates the natural variation that can occur within fluorite mineralisation.\u003c\/p\u003e\n\n\u003cp\u003eIts golden-orange and dark brown staining is consistent with iron oxide or iron oxyhydroxide alteration products, although the precise composition has not been analytically confirmed.\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 extraction.\u003c\/p\u003e\n\n\u003cp\u003eAlthough Cornwall is internationally recognised for its tin and copper mining heritage, the south-eastern districts also contain important lead-bearing mineral veins.\u003c\/p\u003e\n\n\u003cp\u003eDuring the nineteenth century, mines around Menheniot worked deposits containing galena, the principal ore mineral of lead, which could also contain economically valuable silver.\u003c\/p\u003e\n\n\u003cp\u003eThese deposits formed through hydrothermal geological processes, as heated mineral-bearing fluids circulated through fractures in the surrounding rocks.\u003c\/p\u003e\n\n\u003cp\u003eThe resulting mineral veins contain a variety of associated species, including fluorite, quartz and lead-bearing minerals.\u003c\/p\u003e\n\n\u003cp\u003eHistorical geological documentation from the \u003cstrong\u003eBritish Geological Survey\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 primary materials extracted during mining.\u003c\/p\u003e\n\n\u003cp\u003eGeological observations of Wheal Mary Ann describe multiple generations of fluorite mineralisation, indicating successive episodes of mineral deposition within the veins.\u003c\/p\u003e\n\n\u003cp\u003eThese processes can produce overlapping crystalline growth, variations in mineral colour and complex associations between different mineral species.\u003c\/p\u003e\n\n\u003cp\u003eThe contrasting pale green, smoky grey and honey-coloured sections of this specimen make it an interesting example of the crystalline diversity associated with fluorite.\u003c\/p\u003e\n\n\u003cp\u003eIts reported origin at Wheal Mary Ann connects it with Cornwall's rich geological history and the industrial heritage of the Menheniot mining district.\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 personal understanding.\u003c\/p\u003e\n\n\u003cp\u003eGreen fluorite is traditionally linked with renewal, emotional harmony and personal growth, while yellow fluorite is symbolically associated with confidence, creativity and motivation.\u003c\/p\u003e\n\n\u003cp\u003eThe combination of pale green, smoky grey and honey-yellow colouring makes this specimen traditionally associated with the \u003cstrong\u003eHeart Chakra\u003c\/strong\u003e and \u003cstrong\u003eSolar Plexus Chakra\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMental Clarity:\u003c\/strong\u003e Traditionally associated with concentration, clear thinking and understanding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmotional Balance:\u003c\/strong\u003e Symbolically connected with harmony, calmness and emotional stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePersonal Growth:\u003c\/strong\u003e Associated with renewal, learning and positive change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfidence:\u003c\/strong\u003e Traditionally linked with self-belief and personal motivation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus:\u003c\/strong\u003e Associated with organisation, concentration and mental discipline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Symbolically connected with stability, awareness and a balanced perspective.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssociated Chakras:\u003c\/strong\u003e Heart Chakra and Solar Plexus Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Intention:\u003c\/strong\u003e Mental clarity, emotional balance and personal growth.\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 raw formation, displaying a broad arrangement of interlocking fluorite crystals, angular cleavage surfaces and naturally fractured mineral sections.\u003c\/p\u003e\n\n\u003cp\u003eIts pale green and smoky grey crystalline areas contrast with creamy white and honey-yellow formations, while extensive golden-orange iron staining adds warmth and depth.\u003c\/p\u003e\n\n\u003cp\u003eNatural cavities, exposed crystal boundaries and irregular cleavage planes create an intricate surface that changes in appearance when viewed from different angles.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen's substantial size and broad structure give it a particularly impressive display presence.\u003c\/p\u003e\n\n\u003cp\u003eWithin traditional crystal symbolism, green fluorite represents renewal and emotional harmony, while yellow fluorite is associated with confidence and personal empowerment.\u003c\/p\u003e\n\n\u003cp\u003eBeyond these symbolic associations, the specimen's principal appeal lies in its impressive natural formation, contrasting mineral textures and connection to Cornwall's historic mining heritage.\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 with natural iron staining\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 745g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 108.7mm × 92.0mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural broad raw fluorite with interlocking crystalline growth, angular cleavage surfaces and iron-stained sections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Pale green, smoky grey, honey-yellow, cream, white, golden orange and dark brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Translucent fluorite crystals, prominent iron staining, angular cleavage surfaces, natural cavities and contrasting crystalline textures\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":59287396647247,"sku":"A89","price":89.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_12162854-eb63-48b0-89f6-89e5e1d4bc24.png?v=1793133661","url":"https:\/\/harposangels.co.uk\/products\/pale-green-smoky-grey-fluorite-with-iron-staining-wheal-mary-ann-cornwall","provider":"Harpo's Angels","version":"1.0","type":"link"}