Cobalt spinel from Sri Lanka 0.153ct 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 Sri Lankan cobalt spinel purchased from the Kuruwita mining area in Sri Lanka. Vivid blue high quality cobalt spinel. A certificate of identification from the Japan-German Gem Research Institute is included.

・Type: Loose (natural stone)
・Stone name: Cobalt spinel (cobalt band recognized)
・Weight: 0.153ct
・Scratch/chip: S
・Inclusion: S
·remarks:---
・Accessories: Identification book (Japan-German Gem Research Institute), loose case (if it doesn't fit, clear case with zip)

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


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karatz_item_id: 12546706