Amber filigree tribal pendant and beaded necklace adjustable length

unique amber, agate and art glass beaded necklace with a large pendant. tribal artisan piece possibly an assemblage. likely open back russian filigree. 10k gold plated. goldtone. pendant approximately 4in by 4in. length end to end approximately 24in plus extension chain about 3in. good preloved condition. please see pictures for details and measurements and condition other items are display only not a gem expert but the amber is yellow green under uv light. the agate beads look like dragon's vein and eye variety. vintage, ethnic, collectible, gift, unusual, eclectic, handmade, rustic, earthy, chunky, statement, shabby chic, fall, autumn, bohemian, beaded, dichroic, gemstone, baltic amber, ussr