Yes, does look some pyrite. So I think that may indicate either the Kingman or Morenci mine. I’m wondering if the beads in your squash are handmade, but I really hope someone more knowledgeable jumps in. I get confused on this sometimes. Here are a couple links to other threads on Navajo pearls (which is what these silver beads are called. Understanding Navajo Pearls?
Beads/Navajo Pearls
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