Red Coral and Pearl Color Beads Fashion Chunky Choker Necklace Silver Brown 20"

A standout chunky necklace. From my research I believe it is a combo of Faux and Real items. I believe the larger and some small pieces of Coral are real, Pearls I am sure not real, maybe cultured but very large for this. Also not sure what the round brownish beads are. The silver pieces are not reactive to magnets but may be silver plated? Purchased at an estate sale with not much info. The squared red bead appear to be a composite. Heavy necklace, approx 20" long see measurements with ruler Condition: Very nice gently used , some wear spots on beads near toggle closure, also appears someone has glued beads and piece of small coral together, see all photos