Natural olivine * 1PCS The gemstones bear the identification certificate of an internationally authoritative gemstone appraisal institution Olivine, a natural gemstone, is the primary rock forming mineral in the mantle and is a magnesium iron silicate. Crystals are granular and appear as dispersed particles or aggregates in rocks Olivine is one of the oldest gemstones in nature and the most important green gemstone in history. As an August birthstone, olivine guards Leo and symbolizes good wishes such as peace and luck. Olivine was first discovered and mined by ancient Egyptians on the Red Sea island of Zabajad. The warm yellow green color of olivine seems to block the sunlight. The ancient Egyptians believed that it could protect the wearer, expel fear from the darkness, and ward off evil spirits, thus giving it the reputation of a "sun gemstone". The guardian star of Leo, the Sun, complements the Sun Gem olivine. In ancient times, some tribes often exchanged olivine as a symbol of peace. Some temples in Jerusalem still have olivine inlaid thousands of years ago. Olivine is also a "stone of luck", decorated with the seventh layer of the foundation of the Holy City's New Jerusalem wall in the Bible, representing the number "7" that accompanies luck and fulfillment.