玉管可能是頸項之墜子或項鍊的一節, 這裡所呈現的三枚良渚文化玉管, 或稱為玉勒, 各有特色. 左側的一枚可名為圓弧邊菱形管, 單節造形, 上緣飾陰刻斜線紋, 主體飾瓜子形神面紋, 圓形雙眼碩大, 鼻梁向下拉長, 鼻孔正面外露. 中間之玉管一如左側者, 祇是由一節紋飾變成兩節紋飾. 右側玉管並未明顯區分節數, 飾上下兩個神面, 神面祇突顯兩個圓形大眼, 其他部位有意忽略, 這與三星堆文化器物以眼睛為獨特原素之情形不謀而合. 交古玉跡象而言, 溶蝕孔與鈣化明顯.
All the three jade tubes are carved with pale green tone jade. The first two have the shape of a prism with one side having a circular section. The last one has the shape of an ordinary round shape tube. In terms of motif, The first is one section cong style with an incised carving of deity. The second one is two section cong style with an incised carving of deity. The last one is one section cong with two low relief deity. All the three tubes are seen calcification and dissolved pits in terms of antiquity evidence.
Proverb: Speech is the index of mind (Greek).