Cobalt spinel from Vietnam (color shift) 1.5mm/0.019ct loose 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 that is carefully cut and polished by skilled craftsmen in Bangkok from Vietnamese cobalt spinel. Made of particularly high quality cobalt spinel from Vietnam, the color shifts to purple when illuminated with orange light (color change light). 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: 1.5mm/0.019ct
・Scratch/chip: S
・Inclusion: A+
·remarks:---
・Accessories: Identification book (Japan-German Gem Research Institute), case

▷For more information about spinel
Spinel characteristics, types, fakes, value standards, etc.


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karatz_item_id: 12537840