{"title":"Proterozoic — 2.5 Billion to 539 Million Years","description":"\u003cp\u003eThe era that built most of Australia's great orebodies — Broken Hill, Mount Isa, Olympic Dam. It spans the oxygenation of the atmosphere and the first multicellular life.\u003c\/p\u003e","products":[{"product_id":"magnetite-rr0011","title":"Magnetite Lot — Mud Tank, NT","description":"\u003cp\u003eSeven pieces of magnetite from Mud Tank, in the Harts Range region north-east of Alice Springs. \u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eMud Tank is a carbonatite, a rare carbonate-rich igneous rock, that crystallised about 731 million years ago. Its distinctive zircon crystals are used by laboratories worldwide as reference materials for U–Pb geochronology and other geochemical analyses.\u003c\/p\u003e\n\u003cp\u003e7 pieces, 55 g total\u003c\/p\u003e","brand":"Rad Rocks","offers":[{"title":"Default Title","offer_id":67568170631251,"sku":"RR0011","price":25.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7457\/2371\/files\/IMG_4350.heic?v=1790746501"},{"product_id":"spessartine-rr0012","title":"Spessartine in Galena — Broken Hill, NSW","description":"\u003cp\u003eSpessartine garnet in galena from Broken Hill, NSW. Small red-brown garnets sit in grey, granular galena. Garnet set in galena is one of Broken Hill's signature associations, and very few localities anywhere produce the pairing. Spessartine is sometimes sold under its older name, spessartite.\u003c\/p\u003e\n\u003cp\u003eGalena is a lead mineral, so wash your hands after handling and keep it away from kids and pets.\u003c\/p\u003e\n\u003cp\u003e60 × 40 mm, 92 g\u003c\/p\u003e","brand":"Rad Rocks","offers":[{"title":"Default Title","offer_id":67574384722003,"sku":"RR0012","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7457\/2371\/files\/IMG-4415.heic?v=1790836857"},{"product_id":"dravite-rr0016","title":"Dravite — Yinnietharra, WA","description":"\u003cp\u003eA stout dravite crystal section from Yinnietharra Station in the Upper Gascoyne, Western Australia, with a clear six-sided outline. Dark brown, with paler included patches and flecks of glittering mica.\u003c\/p\u003e\n\u003cp\u003eDravite is the magnesium-rich member of the tourmaline group, and Yinnietharra is known worldwide for its large, well-formed brown crystals. They grow in mica-rich schist on Morrissey Hill, in the Proterozoic rocks of the Gascoyne Province.\u003c\/p\u003e\n\u003cp\u003e50 × 50 mm, 115 g\u003c\/p\u003e","brand":"Rad Rocks","offers":[{"title":"Default Title","offer_id":67575378149459,"sku":"RR0016","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7457\/2371\/files\/IMG-4398.heic?v=1790838602"},{"product_id":"garnet-rr0020","title":"Garnet on Matrix — White Well, WA","description":"\u003cp\u003eFrom White Well, about 30 km north-west of Yinnietharra in the Upper Gascoyne, Western Australia.\u003c\/p\u003e\n\u003cp\u003e85 × 60 mm, 148 g\u003c\/p\u003e","brand":"Rad Rocks","offers":[{"title":"Default Title","offer_id":67575682072659,"sku":"RR0020","price":35.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7457\/2371\/files\/IMG-4384.heic?v=1790845621"}],"url":"https:\/\/radrocks.com.au\/collections\/proterozoic-2-5-billion-to-539-million-years.oembed","provider":"Rad Rocks","version":"1.0","type":"link"}