{"product_id":"natural-citrine-tumblestone-large-30mm-to-40mm","title":"Natural Citrine Crystal Tumblestone - Large 30mm to 40mm","description":"\u003ch4\u003eNatural Citrine Tumblestone from Brazil\u003c\/h4\u003e\n\u003cp\u003eA warm, understated citrine with pale honey-yellow, champagne and creamy tones. The photographs show the character of these larger tumbled stones.\u003c\/p\u003e\n\u003ch4\u003eNatural vs Heat-Treated Citrine\u003c\/h4\u003e\n\u003cp\u003eThese tumblestones are natural citrine. Natural citrine gets its yellow colour through geological processes, while much of the citrine sold commercially is amethyst or other quartz that has been heated to develop yellow or orange tones. Natural citrine is often paler and more subtly coloured; heat-treated stones can be brighter orange or amber. Colour alone is not a reliable way to verify treatment alone.\u003c\/p\u003e\n\u003ch4\u003ePhysical Properties\u003c\/h4\u003e\n\u003cp\u003eCitrine is the yellow variety of quartz (SiO₂), with a Mohs hardness of 7. These stones have been tumbled for a smooth feel while retaining their individual shapes and natural internal variation.\u003c\/p\u003e\n\u003ch4\u003eGeology \u0026amp; Origin\u003c\/h4\u003e\n\u003cp\u003eQuartz forms as silica-rich fluids crystallise in spaces within rocks. These natural citrine tumblestones are from Brazil. Their delicate colouring and visible internal features give each stone its own character.\u003c\/p\u003e\n\u003ch4\u003eCrystal Properties\u003c\/h4\u003e\n\u003cp\u003eIn crystal traditions, citrine is associated with optimism, confidence and abundance. Some people keep a piece nearby as a cheerful reminder to approach the day with positivity.\u003c\/p\u003e\n\u003ch4\u003eProduct Details\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: natural citrine\u003c\/li\u003e\n\u003cli\u003eForm: large tumblestone\u003c\/li\u003e\n\u003cli\u003eApproximate size: 30–40 mm\u003c\/li\u003e\n\u003cli\u003eOrigin: Brazil\u003c\/li\u003e\n\u003cli\u003eColour: pale yellow to honey and cream, with natural variation\u003c\/li\u003e\n\u003cli\u003eListing is for one tumblestone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eThe photos show examples of the stones available. Your piece may differ in shape, colour, clarity and markings from those pictured.\u003c\/em\u003e\u003c\/p\u003e","brand":"The Rock \u0026 Fossil Shop","offers":[{"title":"Default Title","offer_id":54931573211469,"sku":"PQMAR","price":4.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/0120\/7117\/files\/Natural_Citrine_Large_Tumblestone_1_PQMAR.jpg?v=1790936684","url":"https:\/\/www.rockandfossilshop.co.uk\/products\/natural-citrine-tumblestone-large-30mm-to-40mm","provider":"The Rock \u0026 Fossil Shop","version":"1.0","type":"link"}