Showcase simple elegance in your designs with the smoky quartz 13x18mm oval beads from Dakota Stones. Available by the strand, these gemstone beads are oval in shape and feature a larger size perfect for long necklace strands or a bold bracelet. 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.