JAIPR-01 Origin: Mongolia Grade: A+ Dimensions: Approximately 25-35mm Weight: Between 10 and 15g Origin: Mongolia Grade: A+ = very good Tumbled jet stone from Mongolia, approximately 25-35mm. Sold individually. Shapes and colors may vary from one stone to another. Note that the presence of micro-cracks is possible on this stone. Jet is a variety of lignite made up of fossil plants compressed by the ocean basin. Its name comes from the Latin "gagâtes," and Gages is a Turkish city where it was discovered. It is shiny black in color and potentially combustible. In lithotherapy, jet is a stone that protects against bad luck and is considered a good protection against curses or entities. It is a stone of protection and grounding. It has been used for centuries to protect against harmful influences and curses. Astrological signs: Capricorn, Cancer, Aquarius... Chakras: Root chakra