Double strand chunky stone Goldtone chain necklace

Interesting long, large and chunky style necklace from my mother in law’s collection this is just a true statement piece. I have no idea what kind of rock/stone that is hanging in the top section, but it’s covered with some sort of liquid gold type material and a soldered shank. The bottom embellishment also looks to be soldered but it’s difficult to tell. This piece is large and in charges