环玦
环玦-
成对的像环、玦，这样的才是玉器起源阶段，这也是有说服力的和有代表性的一些器类，玉文化还是从装饰玉器起源的。
Pairs such as rings and slotted rings , the origin of this phase is the jade , which is convincing and representative of some class , jade , decorated jade culture , or from the origin .
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这时期也发现用石英和其他适用的石料制成的饰物，例如大小不一的石环和石玦；
Ornaments such as rings , some slotted , were also made from quartz and other suitable stones .