{"product_id":"pale-green-fluorite-crystal-cluster-wheal-mary-ann-cornwall","title":"Pale Green Fluorite Crystal Cluster | Wheal Mary Ann, Cornwall","description":"\n\u003ch2\u003ePale Green Fluorite Crystal Specimen – Wheal Mary Ann, Menheniot, Cornwall\u003c\/h2\u003e\n\n\u003cp\u003eA beautiful natural Cornish fluorite specimen displaying delicate seafoam-green, pale mint and translucent grey-green crystal formations, complemented by warm rusty-orange mineral staining. Attributed to \u003cstrong\u003eWheal Mary Ann, Menheniot, Cornwall\u003c\/strong\u003e, this 180g specimen features an unusual angular formation, intergrown crystalline surfaces and subtle variations in transparency.\u003c\/p\u003e\n\n\u003cp\u003eWith its soft green colouration, naturally pointed silhouette and contrasting mineral textures, this specimen makes an attractive addition to any collection of British minerals, Cornish fluorite or historic mining specimens.\u003c\/p\u003e\n\n\u003ch3\u003eSpecimen Description\u003c\/h3\u003e\n\n\u003cp\u003eThis distinctive specimen features a naturally irregular, angular formation with an almost triangular profile when viewed from certain angles. Its pale green crystalline body rises towards a prominent upper point, creating an interesting sculptural appearance.\u003c\/p\u003e\n\n\u003cp\u003eThe predominant colouration ranges from delicate mint-green and seafoam to muted sage, translucent grey-green and creamy white. These colours blend across the specimen, with some areas appearing almost colourless while others display deeper green-grey tones.\u003c\/p\u003e\n\n\u003cp\u003eSeveral exposed crystal surfaces exhibit a glassy to slightly frosted lustre, reflecting light differently depending on their orientation and degree of transparency.\u003c\/p\u003e\n\n\u003cp\u003eThe main crystalline face displays a particularly attractive combination of translucent green mineral sections and angular crystal boundaries. Some areas reveal internal cloudiness, while others allow light to penetrate more readily, creating subtle depth within the specimen.\u003c\/p\u003e\n\n\u003cp\u003eOne of its most distinctive features is the warm rusty-orange staining visible across selected crystal surfaces, fractures and recessed areas. These markings contrast beautifully with the cooler green colouration.\u003c\/p\u003e\n\n\u003cp\u003eThe orange-brown deposits are consistent in appearance with iron-bearing mineral staining, although their exact composition has not been independently established.\u003c\/p\u003e\n\n\u003cp\u003eFrom the side, the specimen reveals a more pronounced angular profile, with overlapping crystal sections forming a series of natural ridges and projecting surfaces.\u003c\/p\u003e\n\n\u003cp\u003eThe rear displays additional pale green and creamy translucent material, together with irregular crystalline textures and smaller areas of darker mineral colouration.\u003c\/p\u003e\n\n\u003cp\u003eThe close-up photograph highlights the specimen's natural crystal geometry, including angular faces, intergrown formations, internal colour variations and the distinctive orange staining between crystal sections.\u003c\/p\u003e\n\n\u003cp\u003eSome areas appear relatively smooth and translucent, while others display fine crystalline growth, naturally uneven surfaces and a more granular texture.\u003c\/p\u003e\n\n\u003cp\u003eThis contrast between larger crystalline sections and smaller intergrown mineral formations gives the specimen an interesting geological character.\u003c\/p\u003e\n\n\u003cp\u003eWeighing \u003cstrong\u003e180g and measuring 56.9mm × 53.1mm\u003c\/strong\u003e, this is an attractive Cornish fluorite specimen combining gentle green colouration, naturally angular crystal growth and contrasting earthy mineral markings.\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 admired by mineral collectors for its exceptional variety of colours, which include green, purple, blue, yellow, pink, colourless and combinations of several shades within individual specimens.\u003c\/p\u003e\n\n\u003cp\u003eIts most recognisable crystal habit is cubic, although octahedral and more complex crystal forms also occur.\u003c\/p\u003e\n\n\u003cp\u003eFluorite possesses perfect octahedral cleavage, meaning that it can separate along specific crystallographic planes. These cleavage surfaces may produce angular features that resemble naturally developed crystal faces.\u003c\/p\u003e\n\n\u003cp\u003eThe mineral is typically transparent to translucent and commonly exhibits a vitreous, or glass-like, lustre.\u003c\/p\u003e\n\n\u003cp\u003eIts varied colouration can result from structural defects, trace elements and other processes affecting the crystal lattice.\u003c\/p\u003e\n\n\u003cp\u003eGreen fluorite ranges from extremely pale mint and seafoam shades to rich emerald-green tones. Some specimens display distinct colour zoning, while others contain more subtle variations distributed throughout their crystalline structures.\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 their chemical conditions change, dissolved minerals may precipitate and gradually form crystals.\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\u003eRepeated episodes of mineral deposition can produce complex intergrowths, overlapping crystals and variations in colour or mineral association.\u003c\/p\u003e\n\n\u003cp\u003eSome fluorite specimens exhibit fluorescence under ultraviolet light, although this property varies between specimens and cannot be assumed without testing.\u003c\/p\u003e\n\n\u003cp\u003eThe natural angular surfaces, colour variations and intergrown mineral textures visible in this specimen demonstrate the varied appearances associated with fluorite-bearing mineralisation.\u003c\/p\u003e\n\n\u003ch3\u003eWheal Mary Ann \u0026amp; Cornish Geological Heritage\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWheal Mary Ann\u003c\/strong\u003e, near Menheniot in south-east Cornwall, is a historically significant mineral locality associated with the region's lead and silver mining industry.\u003c\/p\u003e\n\n\u003cp\u003eThe Menheniot district contains important mineral veins that were exploited during Cornwall's nineteenth-century mining expansion.\u003c\/p\u003e\n\n\u003cp\u003eAlthough Cornwall is particularly famous for its tin and copper mines, the Menheniot area became notable for lead and silver-bearing mineral deposits.\u003c\/p\u003e\n\n\u003cp\u003eThe area's mineralisation occurs within structurally controlled veins cutting Devonian sedimentary rocks.\u003c\/p\u003e\n\n\u003cp\u003eHistorical geological records describe the Menheniot mineral veins as containing galena, quartz, chalcedony, fluorite, siderite, calcite, baryte and associated sulphide minerals.\u003c\/p\u003e\n\n\u003cp\u003eGalena, a lead sulphide mineral, was particularly important because certain deposits contained economically significant quantities of silver.\u003c\/p\u003e\n\n\u003cp\u003eWheal Mary Ann formed part of this wider mineral-producing district, where underground workings followed mineralised veins through the surrounding geological formations.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBritish Geological Survey's Plymouth and South-East Cornwall geological memoir\u003c\/strong\u003e identifies fluorite as a major gangue mineral at Wheal Mary Ann.\u003c\/p\u003e\n\n\u003cp\u003eGangue minerals occur alongside economically valuable ore minerals, although they are not necessarily the principal materials being extracted.\u003c\/p\u003e\n\n\u003cp\u003eThe same geological documentation describes quartz as a principal vein filling at Wheal Mary Ann, with chalcedonic material occurring along the vein walls.\u003c\/p\u003e\n\n\u003cp\u003eCrystalline quartz, galena and siderite are also recorded within the mineral sequence, alongside fluorite.\u003c\/p\u003e\n\n\u003cp\u003eImportantly, geological evidence indicates that at least two generations of fluorite mineralisation may have occurred at the locality.\u003c\/p\u003e\n\n\u003cp\u003eThis suggests a complex geological history involving repeated episodes of mineral deposition and changing hydrothermal conditions.\u003c\/p\u003e\n\n\u003cp\u003eHistorical geological studies describe fluorite occurring both before and after particular stages of galena deposition.\u003c\/p\u003e\n\n\u003cp\u003eThese relationships are especially interesting to mineral collectors because they demonstrate how a single mineral vein can develop through multiple geological events.\u003c\/p\u003e\n\n\u003cp\u003eThe wider Menheniot district is recognised for its mineralogical diversity, with fluorite forming part of a historically important assemblage of lead-silver vein minerals.\u003c\/p\u003e\n\n\u003cp\u003eFor collectors of British minerals, specimens attributed to Wheal Mary Ann offer a tangible connection to Cornwall's mining heritage and the geological processes responsible for its distinctive mineral deposits.\u003c\/p\u003e\n\n\u003cp\u003eThis specimen's supplied locality attribution places it within that historic mineral-producing district.\u003c\/p\u003e\n\n\u003ch3\u003eIntention \u0026amp; Associated Chakras\u003c\/h3\u003e\n\n\u003cp\u003eWithin traditional crystal healing practices, green fluorite is particularly associated with emotional balance, mental clarity, peaceful reflection and personal renewal.\u003c\/p\u003e\n\n\u003cp\u003eIts gentle green colouration is traditionally linked with the Heart Chakra, while fluorite more generally is associated with concentration, clear thinking and understanding.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalm:\u003c\/strong\u003e Traditionally associated with emotional balance, peaceful reflection and creating a sense of inner tranquillity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e Symbolically connected with clear thinking, concentration and organising thoughts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmotional Balance:\u003c\/strong\u003e Associated with processing emotions, restoring perspective and maintaining a balanced outlook.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiritual Growth:\u003c\/strong\u003e Traditionally linked with self-awareness, personal understanding and emotional development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRenewal:\u003c\/strong\u003e Green fluorite is symbolically associated with fresh perspectives, personal renewal and positive change.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssociated Chakras:\u003c\/strong\u003e Heart Chakra and Third Eye Chakra.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Intention:\u003c\/strong\u003e Calm.\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 naturally angular crystalline structure, exposed mineral faces and contrasting areas of translucent green and earthy orange material.\u003c\/p\u003e\n\n\u003cp\u003eThe pale green fluorite provides the principal visual feature, with its delicate colouration becoming particularly attractive where light passes through the more translucent sections.\u003c\/p\u003e\n\n\u003cp\u003eIts distinctive pointed silhouette and overlapping crystalline surfaces give it a naturally sculptural quality.\u003c\/p\u003e\n\n\u003cp\u003eThe rusty-orange markings add further visual interest, emphasising the specimen's natural textures and the varied conditions associated with mineral deposition and alteration.\u003c\/p\u003e\n\n\u003cp\u003eIn traditional crystal symbolism, green fluorite is associated with emotional harmony, renewal and peaceful reflection.\u003c\/p\u003e\n\n\u003cp\u003eIts green colour is also symbolically connected with nature, balance and personal growth.\u003c\/p\u003e\n\n\u003cp\u003eBeyond these traditional interpretations, the specimen offers an appealing example of natural Cornish mineralisation and a connection to the historic mining landscape of Menheniot.\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 180g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 56.9mm × 53.1mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormation:\u003c\/strong\u003e Natural intergrown fluorite-bearing mineral specimen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Pale mint-green, seafoam, sage-green, translucent grey-green, creamy white and rusty orange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Angular crystalline structure, translucent green mineral sections, natural intergrowths, contrasting mineral staining and irregular crystal 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, surface alteration, uneven textures and delicate exposed crystal formations.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eDisplay supports, acrylic stand, 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 recording fluorite and associated mineral species, with historical references.\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 reference covering fluorite's chemical composition, cubic 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\n","brand":"Harpo's Angels","offers":[{"title":"Default Title","offer_id":59274120495439,"sku":"A21","price":21.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1238\/5615\/files\/download_929e2a4e-a317-4092-a5a3-1adc7151df65.png?v=1793041106","url":"https:\/\/harposangels.co.uk\/products\/pale-green-fluorite-crystal-cluster-wheal-mary-ann-cornwall","provider":"Harpo's Angels","version":"1.0","type":"link"}