Page 19 - Chinese Archaic Jades From The Yangdetang Collection PART II Christie's.pdf

fig. 16 line drawing depicting metal tools
圖十六 琢玉時砣子使用的示意圖

期的一些玉器雕琢中，開料、成形、劃線等工序還常 16) that could not be achieved with stone tools. Since
常能看到線切割和石質工具的痕跡。但是從高等級王、 there would have been limitations due to geography

侯墓葬出土的玉器看，大多已經實現了青銅工具的使 and production capability in the manufacture of jade
carvings, the emergence of bronze tools during this
用。正是有了金屬工具的參與，許多原本做得不好的
period did not completely render primitive working
剖切、刻劃、雕琢可以做的更好了。銅工具的出現也
tools obsolete. Jade carvings found in the Erlitou culture
奠定了中國琢玉設備、工具、輔料以及工藝的基礎， belonging to the Shang and even early Western Zhou
以後的幾千年中只有工具和設備的改善，在基本技法 dynasties, do show evidence in the use of string-cutting
上，沒有發生太大的變化。 and stone tools particularly in the processes of opening,
shaping, and carving lines. However, from looking at
此期的玉料來源還有所爭議。有人認為商代婦好墓中 jade carvings discovered in the excavated sites of high
ranking noblemen, most of these would indicate that
已經出現了新疆和田玉，但是筆者曾與中國社科院考
they were produced with the use of bronze tools. With
古研究所文保中心合作檢測，幾件被認為是和田玉的
the introduction of metal tools, further improvements
玉器經檢測只能證明是透閃石玉，不能證明是新疆的 were made in precision cutting, carving, and sculpting
和田玉。筆者認為，這一時期玉料的來源還比較複雜， techniques. The introduction of bronze tools formed the
可能有相當一批玉料來自西北的甘青地區，但不見新 foundation for working equipment, carving tools and
疆和田玉的身影。 other supplementary materials. For the next thousands
of years, advancements were made in working tools and
雕紋方面，商代玉器紋飾線條在轉折處較為方硬，曲 equipment, while the basic techniques of jade carving
itself remained much of the same over time.
度、翻捲都不統一。陰線在轉彎時外側多留有粗的毛
道，為砣具蘸解玉砂琢成。夏商之時玉器雕琢除普通 The source of the raw material during this period remains
的陰刻線外，還流行一種雙鉤陰線紋，以雕琢兩條平 controversial. Some believe that nephrite from Xinjiang

18