{"product_id":"svabite-fluorescent-mineral-specimen-langban-mine-sweden","title":"Svabite Fluorescent Mineral Specimen – Långban Mine, Sweden","description":"\u003cp dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDiscover \u003cstrong\u003eSvabite from Långban Mine, Värmland County, Sweden\u003c\/strong\u003e, a calcium arsenate mineral belonging to the apatite supergroup. Svabite has the chemical formula \u003cstrong\u003eCa₅(AsO₄)₃F\u003c\/strong\u003e and crystallises in the hexagonal crystal system.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eTested by GeoFossils under \u003cstrong\u003eShort Wave (SW) UV\u003c\/strong\u003e, these specimens display a fluorescent response under the confirmed wavelength. Only the UV behaviour observed on the GeoFossils stock is stated here.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eLångban is a historically important Swedish mineral locality with an exceptionally diverse mineral assemblage and numerous documented type-locality species, making specimens from the area particularly relevant to locality and systematic mineral collectors.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eUV fluorescence\u003c\/h3\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eUV Wavelength\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eObserved Response\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort Wave (SW)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFluorescent response observed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eThe response above has been observed by GeoFossils on the material being offered.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFluorescence intensity and appearance may vary naturally between specimens and can also be affected by UV wavelength, lamp output, ambient lighting and viewing conditions.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eScientific information\u003c\/h3\u003e\n\u003cdiv dir=\"auto\" class=\"group TyagGW_tableContainer TyagGW_tableContainerWithTableOfContents\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable dir=\"auto\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eProperty\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eInformation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Mineral\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSvabite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormal Mineral Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSvabite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChemical Formula\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCa₅(AsO₄)₃F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMineral Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArsenate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMineral Group\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApatite Group, Apatite Supergroup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrystal System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHexagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMohs Hardness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 4–5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Lustre\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVitreous to subresinous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecific Locality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLångban Mine, Värmland County, Sweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUV Reactive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eObserved UV Wavelengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShort Wave (SW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eObserved Fluorescence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFluorescent response observed under SW UV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003eSvabite is the arsenate analogue of fluorapatite and the fluorine-dominant analogue of johnbaumite.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eFormation \u0026amp; mineralogy\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eSvabite is a calcium arsenate mineral with fluorine as an essential component of its structure. Its formula, \u003cstrong\u003eCa₅(AsO₄)₃F\u003c\/strong\u003e, places it within the apatite supergroup, whose members share related crystal structures but differ according to their dominant chemical constituents.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe mineral crystallises in the \u003cstrong\u003ehexagonal system\u003c\/strong\u003e and may occur as prismatic crystals or massive material. Published mineralogical descriptions give a Mohs hardness of approximately \u003cstrong\u003e4–5\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eSvabite is closely related structurally to johnbaumite and turneaureite, which belong to the same broader apatite-group chemistry. Mineralogical identification therefore depends on composition rather than visual appearance alone.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eLocality \u0026amp; collector significance\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eLångban Mine in Värmland County is one of Sweden's historically important mineral localities.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThe mine is associated with a large and unusually diverse suite of mineral species and is recorded as the type locality for numerous minerals. This long mineralogical history gives Långban material particular relevance to collectors interested in Swedish mineralogy, systematic collections and historically important mining localities.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eSvabite itself is documented from Långban Mine. The GeoFossils provenance for these specimens remains specifically \u003cstrong\u003eLångban Mine, Värmland County, Sweden\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eViewing your UV mineral\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eFor the clearest fluorescent response, view the specimen in a dark environment using an appropriate \u003cstrong\u003eShort Wave mineral UV lamp\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eGeoFossils has confirmed a response under \u003cstrong\u003eShort Wave (SW) UV\u003c\/strong\u003e for this material. No Medium Wave or Long Wave response is claimed for these specimens.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAlways follow the UV equipment manufacturer's instructions and avoid looking directly into the UV light source.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eCare instructions\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eWith a Mohs hardness of approximately \u003cstrong\u003e4–5\u003c\/strong\u003e, Svabite should be handled carefully to minimise scratching, chipping or damage to mineral surfaces.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eKeep the specimen separate from harder minerals where practical. For routine cleaning, gently remove loose dust using a \u003cstrong\u003esoft, dry brush\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAvoid abrasive cleaning methods and harsh household chemicals.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eIs Svabite fluorescent?\u003c\/strong\u003e\u003cbr\u003eThese GeoFossils specimens have been tested and observed displaying a fluorescent response under Short Wave (SW) UV. This observation applies to the material being sold and should not automatically be generalised to all Svabite specimens.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhich UV wavelength does this Svabite respond to?\u003c\/strong\u003e\u003cbr\u003eGeoFossils has confirmed a fluorescent response under \u003cstrong\u003eShort Wave (SW) UV\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhere is this Svabite from?\u003c\/strong\u003e\u003cbr\u003eThe supplied provenance is \u003cstrong\u003eLångban Mine, Värmland County, Sweden\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhat is Svabite made of?\u003c\/strong\u003e\u003cbr\u003eSvabite is a calcium arsenate mineral with the formula \u003cstrong\u003eCa₅(AsO₄)₃F\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhat mineral group does Svabite belong to?\u003c\/strong\u003e\u003cbr\u003eSvabite belongs to the \u003cstrong\u003eapatite group within the apatite supergroup\u003c\/strong\u003e. It is the arsenate analogue of fluorapatite.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy is Långban important to mineral collectors?\u003c\/strong\u003e\u003cbr\u003eLångban is a historically important Swedish mineral locality and is the documented type locality for numerous mineral species.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eLocation\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eLångban Mine | Värmland County | Sweden\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003ePlease note\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eEach mineral specimen is naturally unique, so shape, colour, surface characteristics, mineral distribution and fluorescent response may vary between pieces.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFluorescent appearance in photographs can differ from direct observation. UV wavelength, lamp intensity, camera settings, ambient lighting and viewing conditions can all affect the appearance and intensity of fluorescence.\u003c\/p\u003e","brand":"GeoFossils","offers":[{"title":"162","offer_id":57603348398453,"sku":null,"price":20.0,"currency_code":"GBP","in_stock":true},{"title":"163","offer_id":57603348431221,"sku":null,"price":20.0,"currency_code":"GBP","in_stock":true},{"title":"164","offer_id":57603348463989,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true},{"title":"165","offer_id":57603348496757,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true},{"title":"166","offer_id":57603348529525,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true},{"title":"167","offer_id":57603348562293,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1113\/8154\/files\/GeoFossils_Svabite_162_1.png?v=1790191180","url":"https:\/\/www.geofossils.com\/products\/svabite-fluorescent-mineral-specimen-langban-mine-sweden","provider":"GeoFossils","version":"1.0","type":"link"}