Vintage bracelet, Art Deco paste rhinestone and open backed princess cut crystal geometric silver tone filigree cocktail bracelet gablonz but could be some sort

but could be some sort of natural gemstone or mineral that I have not been able to identify

Inside the shank of the ring is the 9ct stamp but there are no other hallmarks

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The necklace has a length of up to 18 inches for the shortest strand and 22 inches for the longest

and are graduated in size in the front section

Vintage bracelet, Art Deco paste rhinestone and open backed princess cut crystal geometric silver tone filigree cocktail bracelet gablonz but could be some sortBeautiful vintage Art Deco paste cocktail bracelet. Geometric design with silver tone filigree panels, clear rhinestones and beautiful princess cut (square) clear paste stone set with open backs to let the light shine through. The bracelet fastens with a secure spring ring clasp. It is in very good vintage condition for its age all rhinestones are present and the silver tone is lovely and shiny.