Cobalt spinel from Vietnam 1.3mm/0.011ct loose (color shift) Japanese-German edition

This beautiful blue. This hard shine has a Mohs hardness of 8. "Blue spinel" does not necessarily mean "cobalt spinel"; anything with a confirmed cobalt band is called "cobalt spinel". This is a Vietnamese cobalt spinel with a distinctive neon color. A loose piece with a distinctive neon color cut made from Vietnamese cobalt spinel polished by a skilled craftsman in Bangkok. Especially high quality cobalt spinel from Vietnam. A certificate of identification from the Japan-German Gem Research Institute is included.

・Type: Loose (natural stone)
・Stone name: Cobalt spinel from Vietnam (color shift)
・Weight: 1.3mm/0.011ct
・Scratch/chip: S
・Inclusion: A+
·remarks:---
・Accessories: Identification book (Japan-German Gem Research Institute), case

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Spinel characteristics, types, fakes, value standards, etc.


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karatz_item_id: 12537843