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Swiss Gemmological Institute SSEF
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Cron vanessa
Dr. Laurent E. Cartier
Dr. Michael S. Krzemnicki
Kathia Pinckernelle
Kathia Pinckernelle
Michael Schmitt
SSEF
Swiss Gemmological Institute SSEF
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Swiss Gemmological Institute SSEF
Courses
Introduction to Sapphires by SSEF
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Swiss Gemmological Institute SSEF
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FREE
Introduction to Pearls by SSEF
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FREE
Introduction to Rubies by SSEF
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FREE
Introduction to Emeralds by SSEF
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FREE
Introduction to Diamonds by SSEF
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FREE
Introduction to Sustainability in Gems & Jewellery
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Swiss Gemmological Institute SSEF
%
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FREE
Introduction to Jade by SSEF
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Swiss Gemmological Institute SSEF
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FREE
Introduction to Spinels by SSEF
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Swiss Gemmological Institute SSEF
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FREE
Introduction to Garnets by SSEF
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Swiss Gemmological Institute SSEF
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FREE
Introduction to Tourmalines by SSEF
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Swiss Gemmological Institute SSEF
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FREE
Introduction to Opals by SSEF
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Swiss Gemmological Institute SSEF
%
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FREE