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Gemmology

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Pregunta:

What stone does this spectra picture show, a chromium spectrum with emission lines covering most of the violet, blue, green yellow and orange, with fine lines in blue and red?

Autor: Emma Begent-Cove

What stone does this spectra picture show, a chromium spectrum with emission lines covering most of the violet, blue, green yellow and orange, with fine lines in blue and red?



Respuesta:

Ruby


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