BY Navajo Artist Roselene Joe! Sterling silver earrings with man-made, syntheticTurquoise, Coral Stones By Navajo Artist Roselene Joe: Pretty and small Sterling silver Earrings with man-made, synthetic Turquoise and Coral stones around a silver leaf. Turquoise stone is 3x4MM: Coral stone is 3MM Round THEY MEASURE about 3/8 inch top to bottom by 3/8 inch wide. A Certificate of Authenticity is provided with each pair of earrings.