The Hongshan Culture jade ornament is of stylized cicada form with wings closed on its back, the jade is of chicken bone white color tone with slight russet.|Hongshan Culture period.||Height: 2 1/4 in (5.7 cm) Diameter: 3/4 in (1.9 cm)|紅山 鈣化玉蟬|玉質因年代久遠，已呈雞骨白。造型稀少，整件玉表面宛若有一層氧化膜，工藝雖然原始但是非常細緻周到，淺浮雕大圓眼，寥寥數刀代表翅膀與細節，數千年前古人製玉之虔誠和用心從細節處一一可見，與紅山文化玉豬龍有異曲同工之妙。