Sapphire’s Symbolism and Meaning: What Makes It Special for September Most gems form in the Earth's crust, while a few form even in the deeper layer called the mantle, as they need higher temperatures to crystallize. They have been known to humanity for thousands of years and are prized for their impeccable beauty, earthy colors, and celestial influences for overall well-being healing. These mined crystals come in a variety of sizes, shapes, and colors. Diamond, sapphire, ruby, emerald, amethyst, topaz, and quartz are some of the types of natural gemstones. Visit us:- https://www.sagaciajewelry.com/blogs/news/lab-grown-vs-natural-gemstones-which-is-better