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Head Gemologist

Yenruedee Lohnsomboon.

Yenruedee Lohnsomboon specialises in gemstone identification and origin determination using the laboratory's advanced instrumentation, and oversees day-to-day laboratory operations. Gemstone research and photomicrography are a regular part of the work.

Space Splendor Inclusions within Cobalt Blue Spinel from Mahenge, Tanzania
Yenruedee Lohnsomboon

Space Splendor Inclusions within Cobalt Blue Spinel from Mahenge, Tanzania

Cobalt blue spinel from Mahenge Cobalt Blue Spinel 钴蓝尖晶石（钴尖晶）originating from an important spinel deposit in Mahenge…

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