{"product_id":"jasper-arrowhead","title":"Jasper arrowhead","description":"\u003cp\u003eJasper arrow head from Mexico\u003c\/p\u003e\n\u003cp\u003eSize-\u003cbr\u003e3.9cm x 2.6cm x 0.5cm\u003c\/p\u003e\n\u003cp\u003eWeight-\u003cbr\u003e6.7g\u003c\/p\u003e\n\u003cp\u003eYou will receive the item in the photo\u003c\/p\u003e\n\u003cp\u003eMineral class- Silicate (specifically a Tectosilicate) \u003cbr\u003eChemical compound- Silicon dioxide,identical to quartz,but heavily impure and opaque due to 20% or more foreign inclusions.\u003cbr\u003eCrystal system- Trigonal it features a microcrystalline or cryptocrystalline structure,meaning its individual quartz crystals are microscopic and packed closely together rather then forming large visible crystal face.\u003cbr\u003eHardness- 6.5-7 on the MOHs scale \u003cbr\u003eRock formation-\u003cbr\u003eSedimentary process: Silica rich groundwater seeps into soft sediment layers like clay,sand or volcanic ash and slowly evaporates or changes ph ,leaving behind microscopic silica that acts as a natural cement to lock the particles together.\u003cbr\u003eVolcanic environment:\u003cbr\u003eHot silica bearing fluids can fill and crystallize inside fractures,cavities or voids within existing igneous rock.\u003cbr\u003eImpurities and colours: The diverse colours of jasper come from specific trapped elements: Hematite or iron creates red,goethite creates yellow and brown and chlorite creates green.\u003c\/p\u003e","brand":"Crystal and fossils","offers":[{"title":"Default Title","offer_id":62284658147715,"sku":null,"price":3.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/2524\/3040\/files\/IMG-0188.heic?v=1785687402","url":"https:\/\/crystalandfossils.co.uk\/products\/jasper-arrowhead","provider":"Crystal and fossils","version":"1.0","type":"link"}