These lovely pierced earring studs are crafted from dark Grey Hematite gemstones that have been carefully cut and polished to a beautiful smooth finish.Shiny Dark Hematite is thought to strengthen the body and promote optimism and courage. Gather your courage to face today's turbulent world with these dainty .25 inch hematite studs. Each pair of GeoJewelry Natural Gemstone Stud Earrings comes in a clear acrylic gift box. As with all naturally occurring gemstones, no two are alike. Each will display different variations in color & pattern making them unique, one of a kind specimens.