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Spiral structure in a Colombian emerald
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Insight
20.03.2024
Discover the issue 3 of GEMMES: Celebrating spring and francophonie!
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Micrographs
21.01.2024
Automorphous phenacite crystals in a synthetic emerald
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21.01.2024
Automorphous margarite crystals in an unheated ruby from Mozambique
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21.01.2024
"Platelets" in an aquamarine
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21.01.2024
Unheated green sapphire from Anakie, Queensland, Australia
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21.01.2024
Digitized cavities, containing crystals and gas bubbles in an emerald from Davdar, China
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21.01.2024
Flat cavity containing a gas bubble in an unheated yellow sapphire from Sri-Lanka
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21.01.2024
Unheated blue magmatic-related sapphire from Puy-de-Dôme, France
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03.01.2024
Margarite crystals in an unheated ruby from Mozambique
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27.12.2023
Spherical gas bubbles in a cavity filled with epoxy resin in a Colombian emerald.
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20.12.2023
Heat-treated bicolour sapphires from Shandong Changle, China
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15.12.2023
Epigenetic polycrystalline boehmite nestled in a fissure of an unheated purple metamorphic sapphire
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About us
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Exclusive services
Cleaning and sorting of chemically-unset melee diamonds
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