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🔵 Dumortierite — Stone of Focus & Discipline📍 F #gemmology #gemtesting

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What's this you may ask? #gemmologyobsession #gemmology #gemology #quartz #greenstone

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Now You See Them Soon You Won't #raregems #gemcollector #preciousgems #gemmology #gems #blackspinel

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London Dichroscope is a specialised gemmological instrument developed by Gem-A

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fluorescence spectroscopy for gemology #analysis #gemmology #diamond #spectrometer #fluorescence

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درس عن الأحجار بأنواعها رقم ( ٦٩ ) #أحجار #اكسبلور #ترند #gemstone #gemmology #diamond #gems #gem

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#gemmology #gemmoastrology #gemstone #gemini #aquarius #astrology #russia #care

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