在河北省秦皇岛市青龙县发现了一座玉石矿床，当地将其称为青龙玉。
A jade deposit is discovered at Qinglong county, Qinhuangdao, Hebei Province, and the jade is named Qinglong jade in the local.
在河北省秦皇岛市青龙县发现了一座玉石矿床，当地将其称为青龙玉。
A jade deposit is discovered at Qinglong county, Qinhuangdao, Hebei Province, and the jade is named Qinglong jade in the local.
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