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Spiral structure in a Colombian emerald
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Micrographs
09.08.2020
Blue anatase crystals in a quartz from Brazil
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Micrographs
24.02.2020
Tiny guest oriented inclusions with biotite crystal inclusions in a peridot (forsterite) from Myanmar
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Micrographs
08.04.2019
Automorphous pyrochlore crystal and comet tail in a sapphire (nte)
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Micrographs
01.04.2019
Cavity filling (C2) in a ruby from Mong Hsu, Myanmar
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Micrographs
25.03.2019
Bubbles in epoxy resin in an emerald from Chivor, Colombia (darkfield illumination)
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Micrographs
20.03.2019
Garnet inclusion in type Ia diamond (darkfield illumination)
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Micrographs
04.03.2019
Flame pattern in a non-nacreous natural pearl from an unknown mollusc
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Micrographs
25.02.2019
Blue residues and gas in bubbles in green synthetic quench-cracked flame fusion sapphire
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Micrographs
18.02.2019
Ruby from Cambodia (TE2): Light interference in a thin fracture containing artificial glassy material
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Micrographs, Research
28.08.2018
“Boehmite Needles” in Corundum Are Rose Channels
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Micrographs, Research
01.09.2011
HIH: Multi-treated HPHT-grown synthetic diamonds showing some characteristics of natural diamonds
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