Precious and Decorative Stones

2019: No. 3 (97) CONTENTS

DOI: https://doi.org/10.53056/...

Nephritis and jadeite’s comparative gemological analysis

О. Geleta
State Gemmological Centre of Ukraine

О. Stych
State Gemmological Centre of Ukraine

Language: Ukrainian

Precious and Decorative Stones. No. 3 (97), 2019: 7–14

Abstract
In gemology, nephrite and jadeite are often combined by the same term “jade”, but the chemical composition, hardness, density, quality characteristics and price parameters differ, which is important when conducting their identification and expert assessment. This article reflects the basic gemological characteristics of nephrite and jadeite, their varietal varieties, gives comparative characteristics and diagnostic methods for these minerals.

Keywords: adeite, nephrite, expert assessment, gemological characteristics.

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