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Dyed opal
2022
Instituto Gemológico Español (IGE)
Madrid, Spain
Dyeing consists of the application of coloring substances into porous or fractured gems to improve their color.
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Details
- Title: Dyed opal
- Date: 2022
- Location: Madrid, Spain
- Type: Photograph
- Medium: Natural gemstone
- Photograph: Ana de Bustos | Instituto Gemológico Español
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