Carved with yellow tone jade, the object has the shape of ax with dragon head handle. In the front there is a bird’s head structure, in the back there is an ax with curving blade. On top of the blade, there two round shape groove lines. Antiquity evidences include differential weathering, cleaving vein, diffusive markings and exposed crystal plane.
Appraisal Indexes:
齊家文化玉戚H.21cm, W. 20cm, T. 0.3cm, 520grams《禮記•明堂位》：「季夏六月，以禘禮祀周公於大廟……朱干玉戚，冕而舞大武。」 孔穎達疏：「干，盾也；戚，斧也。赤盾而玉飾斧也。」本器青玉雕琢, 大致呈璧形, 中間為圓孔, 一方呈五角逐曲線, 另一方呈圓弧面, 圓弧面與中央圓孔之間有一小孔, 兩側各有三組齒牙, 古玉跡象為曝露晶面及溶蝕孔.Carved with green tone jade, the object has the shape of bi style zhang. The open end of the blade has four bent sections, the handle has a hole at the center and a smooth curve at the end. On both sides, there are two sets of notches. Antiquity evidence includes differential weathering, exposed crystal plane, diffusive markings, and dissolved pits.
Appraisal Indexes:
Carved green tone jade, the object has the shape of ax with an eagle head handle. There are two holes located at the blade and the handle. A bulge shape hole is seen on the neck of the eagle head. typical round shape groove lines of Hongshan Culture jade are presented on the blade of the ax. Antiquity evidence of cleaving vein, exposed crystal plane, differential weathering, and diffusive markings are seen. The streamline carving technique is skillfully applied to enhance the mastery of the workmanship of the entire object.
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