Necklace bici-cro

necklace is crocheted with glass and cotton beads on x-ray plates (patented model as utility model, no copyright). On one side there is a hard stone in the shape of a circle and on the other a square mother of pearl.
Measurements:
weight: 29 gr.
length: 48 cm.
width: 8 cm.
thickness: 1 cm.