What is this style of necklace called?

Hi! I posted this necklace before- I’d like any info on it -the stones are cold and the silver blocks tested positive for Sterling
it is strung on some type of string and the necklace overall feels quite heavy. If it is turquoise any opinions on what type and what would an approximate value could

be?
Thanks …again

Santo Domingo, Kingman, $450

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