A very pretty, medium-sized brassy/goldtone brooch, in the shape of a conch shell.
It is made of stripes of pearly, swirled enamel, and various crystal and glass rhinestone shapes and colors.
It has a large, glass, teardrop shaped stone where the opening would be in a real shell.

Backside has a horizontal bar pin with C-clasp closure.

It's about 2.5" tall, and 1.5" wide.