Oxidized sterling chain with three small herkimer diamonds and all gold-fill findings. 

Dendritic agate bezels on hammered brass with snake charm and tiny herkimer diamonds; gold-fill earwires.

Three dendritic agates wrapped in tiny brass beads on hammered brass plate with turquoise, herkimer diamonds and black druzy agate drop; leather strap ties at neck so is adjustable. 

Labradorite with herkimer diamond and chrysoprase drops; gold-fill earwires.