hardstone jewellery是什么意思

用法例句

And preliminary analysis on the ornamental stones of jade are made.

主要探讨了矿物晶体观赏石的评价要点,并对玉石观赏石进行了初步探讨。

Illite jade, in vein, was discovered in some copper mine, located in Daye county, HubeiProvince, and is a rind hydrothermal alteration rock from anorthosite.

玉石矿体呈脉状产出，系由斜长岩脉经热液蚀变而形成。

Most of jade resources in Shimian area belong to medium and low grade jade material On the basis of quality,color and figure,the jade may be divided into ivory jade,opal jade,pink jade,green jade and jasper From geological setting,occurrence of orebody and structure and texture of ore it is concluded that the jade deposits are contact metamorphic and dynamometamorphic one

石棉地区的玉石矿产大都属中低档的玉石石料。

In identification for gems.

使用X射线荧光光谱技术对样品进行表层成分分析,为珠宝玉石鉴定工作遇到的一些情况,如相似宝石品种的鉴别,优化处理宝石的检验等提供辅助鉴定依据。

X-ray fluorescent instrument, as a non destructive testing tool, is especially applicable to the identification of gems and jewelry.

尤其在常规检测方法受到限制时,本方法可以测定组成珠宝玉石的主要元素成分,为珠宝玉石的定名提供有效的依据。

Gem and jade resources area in three zones are respectively.

秦岭地区伟晶岩的分布，可划分为北、中、南三条带，各带中发现的宝玉石资源远景区分别为：北带──水晶矿远景区，中带──绿柱石、电气石、石榴石、水晶远景区，南带──刚玉、绿柱石、电气石、水晶、石榴石远景区与金刚石预测区，都具有找矿前景。

By means of the detecting instrument DUK 1, high density apparent resistivity imaging (ρs CT) system, the jade mine in Xiuyan, Liaoning province was detected, on which the general drilling method didn't work.

选用的探测仪器为DUK—1的高密度电阻成像(ρsCT)系统,对钻探方法难以奏效的岫岩县瓦子沟玉石矿进行探测。