Age Of Opals: From Million To Millennia
How Old is Opal? Opals, the mesmerizing gemstones with their iridescent play of color, are relatively young compared to other gemstones. They are typically formed within the last 5-30 million years, dating back to the Miocene and Pliocene epochs. These epochs witnessed the rise of grasses and the cooling of Earth’s climate, creating ideal conditions … Read more