shimmer, play (verb) a weak and tremulous light the shimmer of colors on iridescent feathers; the play of light on the water shimmer (verb) shine with a weak or fitful light Beech leaves shimmered in the moonlight shimmer (verb) give off a shimmering reflection, as of silk
The rule describes the assessment and reporting requirements for issuers whose products contain conflict minerals. These minerals â tin, tantalum, tungsten and gold â are used in a wide range of products across numerous industries.
Many of these minerals are mined in war zones or seized by militant groups, making them conflict minerals. Check out our slideshow of a sampling of some of the world's most valuable minerals. As always, we want to hear from you in the comments. PHOTOS: Black Opals, Painite, Lithium and 6 More Of The Most Valuable Minerals In The World.