Vintage Carved Quartz Bird on Perch Pendant in 18k Yellow Gold

Vintage 18k yellow gold triangular pendant with leaf and berry decorative open frame around a bezel set, hard carved quartz bird.  ID#: PEN523 Quartz: One (1) bezel set, hand-carved quartz stone in the shape of a perched bird. The quartz is translucent with a pale blue-green colour.  Metal: 18k yellow gold Dimensions: 46.3mm (with bail) x 25.7mm x 4.2mm Weight: 5.81g  Markings: '750', indistinguishable production mark on interior of bail