Southwest American Indian jewelry grouping

Lot of six jewelry items. 1st item - Teardrop silver pendant with chased design around perimeter with inlay of turquoise and coral. 3 1/4" length. 2nd item - Shell necklace with turquoise overlay and leather chain. 18" total length. 3rd item - Silver teardrop earrings with turquoise decoration. 4th item - Silver earrings with fan decoration and turquoise. 5th item - Silver oval earrings with turquoise decoration. 6th item - Silver oval earrings with chased decoration and turquoise decoration.