FILE PHOTO: An employee takes granules of 99.99 percent pure silver at the Krastsvetmet non-ferrous metals plant, in the Siberian city of Krasnoyarsk, Russia November 22, 2018. REUTERS/Ilya Naymushin/File Photo
FILE PHOTO: An employee takes granules of 99.99 percent pure silver at the Krastsvetmet non-ferrous metals plant, in the Siberian city of Krasnoyarsk, Russia November 22, 2018. REUTERS/Ilya Naymushin/File Photo