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producing stratified lava flows thousands of feet thick in Brazil and nearby Uruguay
This radiation created color centers in the quartz
These particular specimens boasts a myriad of unique and fascinating characteristics that set it apart from its peers
Protection
Uruguay Amethyst Heart AM1284 Chlum producing stratified lava flows thousandsLocality: Cataln Grande, Artigas Department, Uruguay Dimension: Weight: About 160 million years ago, when tectonic plates were rifting Africa and South America apart as the Atlantic Ocean opened, one of the worlds great flood basalt events was occurring. Basalts flowed from the rift, producing stratified lava flows thousands of feet thick in Brazil and nearby Uruguay. Within these flows, gas bubbles and lava tubes created cavities that were first