流行饰品材料及工艺 人工宝石饰品的切磨工艺 人工宝石切磨款式-琢型赏析.pptx

;教育部职业教育宝玉石鉴定与加工专业教学资源库 Gems and Jade Identification and Processing Teaching Resource Library ;宝石整形师?2015年AGTA光谱奖;经典切割组;经典切割组二等奖 Joseph Ambalu Amba Gem Corp. New York, NY 19.06 ct. brilliant, step-cut unheated blue Sapphire. 19.06克拉明亮式阶梯切割，天然无烧蓝宝石;经典切割组三等奖 Joseph Ambalu, Amba Gem Corp. New York, NY 5.00 ct. oval pink Sapphire. 5克拉椭圆形粉色蓝宝石;经典切割组鼓励奖 Alan Hackman Intercolor New York, NY 38.06 ct. blue Sapphir 蓝宝石;刻面创意组;刻面创新组二等奖 John Dyer, John Dyer Co.? 67.92克拉漩涡“星云”紫黄晶;刻面创新组三等奖 John Dyer, John Dyer Co.? 19.43 克拉“皇家天鹅绒”坦桑石;其他刻面组;其他刻面组二等奖 Mikola Kukharuk, Nomads? 12.99克拉椭圆形薄荷绿钙铝榴石;其他刻面组三等奖 Mikola Kukharuk, Nomads? 28.21克拉帝王托帕石;雕刻组;雕刻组二等奖 Bernie Benavidez, Master Jewelers “创世纪之眼”总重260克拉欧泊;雕刻组三等奖 Darryl Alexander, Nirinjan 重102克拉特殊切割的太阳石;光学效应;套件;二等奖2nd Place Pairs Suites Mikola Kukharuk Nomads New York, NY Pair of Imperial Topaz (70.14 ctw.).帝王托帕石;三等奖3rd Place Pairs Suites Hemant Phophaliya A G Color, Inc. New York, NY Fancy pear-shaped Tanzanites. 坦桑石;鼓励奖Honorable Mention Pairs Suites Allen Kleiman A. Kleiman Co. San Francisco, CA Suite of pear-shaped unheated yellow Sapphires (57.73 ctw.).黄色蓝宝石;