①The single-variety corundum family course teaching, comprehensively analyzes the corundum family, focuses on the treatment of ruby and sapphire, and deeply understands whether ruby and sapphire are heated or not.

②The course focuses on the core factors of ruby and sapphire value, the risk of synthetic ruby and sapphire transactions in market, the identification and avoidance of various traditional and modern treated gemstones.

③The course combines in-depth interpretation from the mining area with the frontier market information of the laboratory, enables students to use these knowledge.  

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·Chapter One  Ruby and Sapphire History and Lore

·Chapter Two  Ruby and Sapphire Mineralogical and Gemological Characteristics

·Chapter Three  Ruby and Sapphire Treatment and Identification

·Chapter Four  Ruby and Sapphire Synthesis and Identification

·Chapter Five  Ruby and Sapphire Origin Introduction

·Chapter Six  Ruby and Sapphire Quality Grading

¥4800