Green Opal and Prasiolite Necklace

A beautiful banded pointed cabochon of natural green opal is bezel set alongside a faceted rectangular prasiolite (green amethyst) in sterling silver.   
Pinned hinge gives this piece motion that catches the light. 
Unique ringed chain allows adjustable length that can be worn in 4 lengths from 15" to 18". 
Sterling silver.
Lobster claw

Opal is 34 x 22 mm
Prasiolite is 10 x 14 mm 

Overall drop 2.25"