.紅山文化領緣玉璧，D. 23cm，1400g。本器青玉雕琢, 內領緣呈圓滑弧形，內領緣呈垂直平面。全器增生晶面，次生結晶體，溶蝕孔，差異風化等古玉跡像明顯, 本器對研究商周領璧之濫觴及研究紅山文化禮器形制實物具重大意義。
Bi is one of the ritual jade in ancient China. This Hongshan Culture collar bi is similar to the Shang Dynasty collar bi (D. 18.6cm, hole edge H.1.4cm, T. 0.4cm) unearthed in 1976 from Fuhow graveyard, A collection of Institute of Archaeology, Chinese Academy of Social Sciences, In general, bi is the ritual jade used to dedicated the heaven. The surface of this collar bi is plain, while the surface of the Shang Dynasty collar bi has circles of increasing size from the center hole towards the outer edge. The evidence of antiquity includes dissolved pits and additive crysta[.
The collar bi of Hongshan Culture may be a simplified image of an ancient flying saucer.
- quality of jade: 8
- rareness: 8
- historical and cultural significance: 9
- workmanship: 9
- condition: 10
本器黃玉雕琢, 整體形制以玉璧為主要設計, 中央為圓孔, 單向雕琢, 兩側由圓弧形轉變為菱角而成為紡錘形, 左右菱角各有一小孔, 亦為單向雕琢. 本器之古玉跡象有增生晶體, 擴散暈沁色及冰裂紋.The object is identified as Qijia spindle shape bi based on the carving form and hole one directional drilling style. One hole is seen on each diagonal side of the bi. Antiquity evidence includes differential weathering, exposed crystal plane, cleaving vein, dissolved pit, and diffusive marking.
This spindle shape jade bi may serve as the physical evidence that the Qijia culture has a highly developed textile industry.
- quality of jade: 7
- rareness: 9
- historical and cultural significance: 8
- workmanship: 7
- size: 3
- condition: 10
本器黃玉雕, 雙面飾穀紋, 穀粒高聳, 刀法犀利有力, 玉璧外緣壁面刀法特殊, 狀似刀削(可能與漢八刀有關), 古玉跡象為擴散暈沁色及鈣化.Carved with yellow tone Hetian jade, this bi is decorated crop sprouts on both sides. The edge of the bi has a sharp angle with multi-level planes which is quite different from a single level plane. This fact may reflect the advancement of harder tools and the more skillful technique of the Han Dynasty. Antiquity evidence includes diffusive marking and differential weathering. Some researches believe that the ritual jade bi relates to the celestial body such as the black hole (image of lower left is one scene of the black hole published on the internet.).
1. quality of jade: 10
2. rareness: 9
3. historical and cultural significance: 9
4. workmanship: 9
6. condition: 10