4.4 billion years ago : Earth’s Timekeeper Zircon and Cosmic Chronicle
”It seems you’re referring to a piece of Earth’s history that dates back billions of years. Geologists have found zircon crystals that are about 4.4 billion years old, which are…
Ceylon Sapphires are not only prized for their beauty but also for their authenticity
Source Nilmini Gems Kandy Ceylon Sapphires are one of the most famous varieties of sapphires, known for their exceptional quality and breathtaking beauty. As the name suggests, these sapphires come…