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Spinel octahedron in spinel

2023

Instituto Gemológico Español (IGE)

Instituto Gemológico Español (IGE)
Madrid, Spain

Protogenetic inclusions are pre-existing materials that were formed before the growth of its host, being trapped inside during the crystallization process.

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  • Title: Spinel octahedron in spinel
  • Date: 2023
  • Location: Madrid, Spain
  • Type: Photograph
  • Medium: Natural gemstone
  • Photograph: Ana de Bustos | Instituto Gemológico Español
Instituto Gemológico Español (IGE)

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