This is 10mm brown Horizontal Banding Agate (a distinctly banded fibrous chalcedony) round shape beads dangle shepherd hook Earrings. The banding in agate is based on periodic changes in the translucency of the agate substance. Stones are untreated and not enhanced. Earrings is handmade and can be customized upon request. Location: Durango, Mexico Size: 4.5 Centimeter in length including leverback (1.8 inches) Weight: 6.9 Grams Combined