{"product_id":"blue-grey-fluorite-with-pale-green-crystals-iron-staining-wheal-mary-ann-cornwall","title":"Blue-Grey Fluorite with Pale Green Crystals \u0026 Iron Staining | Wheal Mary Ann, Cornwall","description":"\u003cp\u003eAn exceptional \u003cstrong\u003e1.57kg natural fluorite specimen from Wheal Mary Ann, Menheniot, Cornwall\u003c\/strong\u003e, displaying an impressive combination of deep blue-grey and smoky violet fluorite crystals, translucent pale green mineral growth and striking golden-orange iron staining.\u003c\/p\u003e\n\n\u003cp\u003eMeasuring approximately \u003cstrong\u003e149.3mm × 101.4mm\u003c\/strong\u003e, this substantial Cornish specimen features a complex arrangement of interlocking crystals, angular formations, natural cavities and contrasting crystalline textures.\u003c\/p\u003e\n\n\u003cp\u003eIts most remarkable feature is the dramatic concentration of dark blue-grey fluorite crystals, which emerge from lighter cream and pale green formations to create a richly layered mineral structure.\u003c\/p\u003e\n\n\u003cp\u003eA magnificent collector's specimen with considerable visual presence, particularly suited to enthusiasts of British minerals, historic Cornish mining localities and distinctive natural fluorite formations.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis impressive natural fluorite specimen features a substantial, irregular formation composed of numerous interlocking crystalline sections.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen displays a remarkable range of natural colours, including \u003cstrong\u003edeep blue-grey, smoky violet, pale green, cream, honey-yellow and golden orange\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eAcross its principal display face, large blue-grey fluorite crystals form a dramatic central arrangement. Several of these crystals display well-defined angular faces, stepped growth patterns and naturally occurring surface striations.\u003c\/p\u003e\n\n\u003cp\u003eThe darker crystals possess a combination of translucent and more opaque areas, creating considerable depth and variation as light passes across their surfaces.\u003c\/p\u003e\n\n\u003cp\u003eSome crystal faces appear smooth and glassy, while others exhibit naturally frosted textures, exposed cleavage surfaces and irregular growth features.\u003c\/p\u003e\n\n\u003cp\u003eSurrounding these darker formations are extensive areas of pale green and creamy white crystalline growth, providing a striking contrast to the deeper blue-grey colouring.\u003c\/p\u003e\n\n\u003cp\u003eThe specimen's elongated formation includes a particularly distinctive projecting section, where pale cream and translucent mineral growth extends outward and terminates in a blue-violet crystalline area.\u003c\/p\u003e\n\n\u003cp\u003eThis natural projection gives the specimen an unusual silhouette and adds to its impressive three-dimensional appearance.\u003c\/p\u003e\n\n\u003cp\u003eThroughout the main body, smaller fluorite crystals occur between the larger formations, creating intricate clusters and recessed crystalline cavities.\u003c\/p\u003e\n\n\u003cp\u003eSeveral areas reveal naturally formed openings between the crystals, allowing the underlying structure and overlapping mineral growth to be appreciated.\u003c\/p\u003e\n\n\u003cp\u003eThe upper sections display additional pale green and honey-coloured crystalline formations, accompanied by extensive \u003cstrong\u003egolden-orange and rusty-brown iron staining\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThese deposits occur across exposed crystal faces, within natural fractures and around the edges of crystalline cavities.\u003c\/p\u003e\n\n\u003cp\u003eThe staining provides a warm contrast against the cooler blue-grey and green tones, emphasising the specimen's complex geological character.\u003c\/p\u003e\n\n\u003cp\u003eOne particularly interesting feature is the arrangement of darker fluorite crystals within a central recessed area. These crystals display angular faces, naturally stepped surfaces and varying degrees of translucency.\u003c\/p\u003e\n\n\u003cp\u003eElsewhere, smaller pale green and colourless crystals form intricate interlocking arrangements, with occasional reflective surfaces catching the light.\u003c\/p\u003e\n\n\u003cp\u003eThe reverse and side views reveal further variations in crystal size, colour distribution and mineral texture, making this specimen visually interesting from multiple angles.\u003c\/p\u003e\n\n\u003cp\u003eAt \u003cstrong\u003e1.57kg\u003c\/strong\u003e, this is a substantial natural mineral specimen with exceptional display potential and an intricate crystalline structure that rewards close examination.\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 extraordinary range of natural colours, including purple, blue, green, yellow, grey, pink and colourless varieties.\u003c\/p\u003e\n\n\u003cp\u003eThese colour variations can result from trace impurities, structural defects and changes in the geological conditions present during mineral formation.\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 begin to crystallise.\u003c\/p\u003e\n\n\u003cp\u003eSuccessive episodes of mineral deposition can produce multiple generations of crystal growth, resulting in overlapping formations, colour variations and complex mineral associations.\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 repeated crystal growth may create stepped faces and intricate interlocking structures.\u003c\/p\u003e\n\n\u003cp\u003eThe contrasting blue-grey, smoky violet and pale green colouring visible in this specimen demonstrates the remarkable natural variation that can occur within fluorite mineralisation.\u003c\/p\u003e\n\n\u003cp\u003eThe golden-orange surface deposits are consistent with iron oxide or iron oxyhydroxide staining, although their precise mineral composition has not been analytically confirmed.\u003c\/p\u003e\n\n\u003cp\u003eThe combination of large crystalline formations, smaller interlocking crystals, natural cavities and extensive mineral staining makes this specimen particularly interesting from a geological perspective.\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 substantial interlocking crystals, contrasting blue-grey and pale green colouring and extensive iron-stained surfaces of this specimen make it an interesting example of the mineral formations associated with fluorite-bearing veins.\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\u003eBlue fluorite is traditionally linked with communication, clear expression and thoughtful understanding, while purple fluorite is symbolically associated with intuition and spiritual awareness.\u003c\/p\u003e\n\n\u003cp\u003eGreen fluorite is traditionally connected with renewal, emotional harmony and personal growth.\u003c\/p\u003e\n\n\u003cp\u003eThe combination of blue-grey, smoky violet and pale green colouring makes this specimen traditionally associated with the \u003cstrong\u003eThroat Chakra, Third Eye Chakra and Heart 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\u003eCommunication:\u003c\/strong\u003e Symbolically connected with honest expression and thoughtful communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuition:\u003c\/strong\u003e Traditionally associated with inner awareness and personal insight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmotional Balance:\u003c\/strong\u003e Linked 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\u003eFocus:\u003c\/strong\u003e Traditionally connected with organisation, concentration and mental discipline.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssociated Chakras:\u003c\/strong\u003e Throat Chakra, Third Eye Chakra and Heart Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Intention:\u003c\/strong\u003e Mental clarity, communication, intuition and emotional balance.\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 substantial arrangement of interlocking fluorite crystals, angular cleavage surfaces, recessed cavities and naturally fractured mineral sections.\u003c\/p\u003e\n\n\u003cp\u003eIts distinctive elongated structure includes a projecting crystalline section, creating an unusual and visually striking silhouette.\u003c\/p\u003e\n\n\u003cp\u003eThe deeper blue-grey and smoky violet fluorite contrasts with pale green, creamy white and honey-yellow crystalline areas, while golden-orange iron staining adds warmth and geological character.\u003c\/p\u003e\n\n\u003cp\u003eSeveral areas reveal well-defined angular crystals with stepped faces, naturally occurring surface striations and varying degrees of translucency.\u003c\/p\u003e\n\n\u003cp\u003eSmaller crystals occur between the larger formations, creating intricate crystalline pockets and richly textured surfaces.\u003c\/p\u003e\n\n\u003cp\u003eWithin traditional crystal symbolism, blue fluorite represents communication and clarity, purple fluorite is associated with intuition, and green fluorite symbolises renewal and emotional harmony.\u003c\/p\u003e\n\n\u003cp\u003eBeyond these symbolic associations, the specimen's principal appeal lies in its substantial size, dramatic crystalline structure, contrasting natural colours 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 1.57kg (1,570g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 149.3mm × 101.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural raw fluorite with substantial interlocking crystalline growth, angular cleavage surfaces, cavities and iron-stained sections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blue-grey, smoky violet, pale green, cream, white, honey-yellow, golden orange and dark brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Large blue-grey fluorite crystals, stepped crystalline growth, translucent pale green sections, natural cavities, angular cleavage surfaces, surface striations and iron 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 wooden display 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":59287435968847,"sku":"A346","price":346.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_e4ec4131-20bf-49fc-98c2-bf5fe148b006.png?v=1793134015","url":"https:\/\/harposangels.co.uk\/products\/blue-grey-fluorite-with-pale-green-crystals-iron-staining-wheal-mary-ann-cornwall","provider":"Harpo's Angels","version":"1.0","type":"link"}