世界上只有15%钻石的具有“宝石质量”(gem-quality),而在安哥拉这个比例竟然高达80%。丰富的石油矿产资源近年来吸引了 … www.stnn.cc|基于 1 个网页 3. 宝石品质 世界上只有15%钻石的具有“宝石品质”(gem-quality),而在安哥拉这个比例竟然高达80%。丰富的石油矿产资源近年来吸引了 … ...
A new occurrence has been discovered in the Kugda massif in Northern Siberia which produces dark red-brown clinohumite of gem quality. This article presents the gemmological and other properties of clinohumite from both localities.Ulrich HennJaroslav HyrslClaudio C. MilisendaThe Journal of ...
求翻译:gem quality是什么意思?待解决 悬赏分:1 - 离问题结束还有 gem quality问题补充:匿名 2013-05-23 12:21:38 宝石质量 匿名 2013-05-23 12:23:18 gem quality 匿名 2013-05-23 12:24:58 gem quality 匿名 2013-05-23 12:26:38 gem quality 匿名 2013-05-23 12:28:18 gem q...
网络释义 1. 宝石级红珊瑚 珊瑚红石,rose... ... ) rose alicanta 珊瑚红石 ) gem-quality red coral 宝石级红珊瑚 ) red coral 红色珊瑚;贵珊瑚 ... www.dictall.com|基于1 个网页 例句 释义: 全部,宝石级红珊瑚 更多例句筛选 1. Laser Raman Spectroscopic Characteristics of Gem-Quality Red Coral ...
Quality Policy Gem Quality strives to continuously improve its processes by meeting and exceeding our customer’s requirements regarding Quality Service related to containment activities. Our excellent service is based off of a continuous improvement philosophy of our internal process by fulfilling our Qual...
divine-countenance-and-gem-quality网络仙姿玉色;形容女子容貌美丽非凡 网络释义 1. 仙姿玉色 字典中 仙 字的解释 ... ◎ 仙乡[ native place] ◎ 仙姿玉色[ divine countenance and gem quality]◎ 仙丹[ elixir of life] ... www.zdic.net|基于20个网页 2. 形容女子容貌美丽非凡 包含 玉... ... [ ...
Gemstone Weight n/a Treatments Applied Heat Optical Special Effects none Item Height n/a Hole Diameter n/a Product name Ruby Color red MOQ 25 carats PAYMENT Paypal/Western Union/100% TT Delivery Time 7-15 Working Days Usage Making Jewelry Pendant Bracelet Earring ...
Diamonds, Brilliant Type Cuts, Statistical Analyses, Similarities and Differences, Gem QualityThe measures that influence the quality of diamonds are cut, shape, colour, clarity and weight. These features are therefore of some economic significance. It has long been recognized that similar type ...
在品质分级方面，GRC会根据珍珠形状的对称性、光泽、表面光洁度、匹配度这四个参数来分级。它会将珍珠分为四个等级，分别是：Best gem quality 最优质珠宝级品质；Top gem quality 顶级珠宝级品质；Gem?quality 珠宝级品质和Handicraft?quality工艺品级品质。
Most gem-quality iolite is produced from placer deposits, where it occurs in association with other gems even though its specific gravity is not high enough to cause a concentration. When exposed to weathering, cordierite alters to mica and chlorite....