ばいちょ(売価調査)、価格比較とネットでのお買い物を楽に

内容説明 Since Gemmology was first published， thousands of readers have used it to gain an in-depth appreciation of the science of gemmology， its history and practice. This third edition has been revised to cover， in particular， This third edition has been revised to cover， in particular， new HPHT diamond enhancement methods and beryllium lattice diffusions techniques for corundum as well as the low pressure high temperature CVD synthesis of thick film diamond
It includes details of the Gemmological Associations recently introduced Foundation course， and provides examination notes.
* Contains essential information for the Gem-A exams
* Fully updated to cover recent advances and instruments
* An invaluable resource for gemmologists worldwide