FeatureGems & Gemology, Winter 2019, Vol. 55, No. 4

野外宝石学:研究用標本コレクションの構築と宝石鉱床の形成過程の理解

Wim Vertriest, Aaron C. Palke, Nathan D. Renfro

Field Gemology: Building a Research Collection and Understanding the Development of Gem Deposits | Gems & Gemology