The simple turquoise heart post earrings are made of sterling silver. The genuine turquoise have a high dome to them. The silver twist wire makes a great border for the stones. Measuring 3/4" x 5/8". Light weight and easy to wear. NAVAJO HANDCRAFTED TURQUOISE HEART SHAPED EARRINGS The simple turquoise heart post earrings are made of sterling silver. The genuine turquoise have a high dome to them. The silver twist wire makes a great border for the stones. Measuring 3/4" x 5/8". Light weight and easy to wear.