If you love warm and natural colors then smoky quartz is for you. The history of smoky quartz goes back to being mined by the Celts of the Highlands in the British Isles around 300 B.C. and it was used in jewelry, clothing and even featured on weaponry. Today it’s still the national gem of Scotland. Whether you like the history or just love the color, these sterling silver drop earrings are perfect for a variety occasions.