Vintage Native American Carnelian & Silver Bench Bead Necklace

Vintage Native American Necklace 17” end to end Hook closure Deep red-orange stone beads that look like carnelian ? strung with silver bench beads, some stamped, in various shapes and sizes. Came from the estate of a person with a large collection of Native American jewelry. Excellent condition. I do not see any markings indicating the maker or the purity of the silver.