Display daring style in your designs with the help of the smoky quartz 10mm round beads from Dakota Stones. Available by the strand, these gemstone beads are perfectly round and feature a bold size. Try showcasing them in a necklace design. Smoky quartz is named after its smoky color, which is caused by gamma rays. The color of smoky quartz ranges from brown to black and sometimes smoky gray. Mined in Brazil, the stone is believed to enhance organizational skills, making it good to have around the workplace or home office.