Semi Precious Stone Necklace 80-85 Stones No Closure Vintage Jewelry Genuine

Gorgeous semi precious genuine stones vintage necklace 15” long and approx 30” total length No closure , just pops over head This is approx 80-85 stones strung together tightly, which makes the necklace “stiff” Store hanging up ( can not be folded or bundled due to the design and number of stones) These stones are somewhat marbled. I’m not sure what the stone is Thanks for looking and happy shopping!