Vintage abalone shell minimalist necklace

Vintage abalone shell minimalist necklace Quick list New vintage c. 1970s. Probably by Artistic Jewellery Canada and/or made in Mexico. Silver tone costume metal and chain Rectangular Pendant charm. Good weight Oval shaped inlay of abalone shell: muted shades of purple, pink, green, aqua, silver grey, black. Nice feeling curb chain Original tag on the gold shown in multiple styles photo. Three different shapes, two tones of metal, many shades of abalone! Note: abalone seems to change colour as it reflects different lights. Matching earrings available on this page.