3rd Edition
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Köp båda 2 för 748 krPearl: Natural, Cultured and Imitation discusses some aspects, distinction, and authenticity of pearl. This book is divided into 10 chapters that cover the origin, anatomy, sources, and prices of this precious gem. The first five chapters are devo...
Peter G. Read is a well known writer and lecturer on gems and gem test equipment. He also developed the world's first gem identification computer programme, GEMDATA.