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> Corundum [synthetics]
Corundum [synthetics] — specimens [gallery view]
Manufactured mainly using the Verneuil process, also called flame fusion, developed by the French chemist Auguste Verneuil.
Corundum [synthetics] — specimens — 1
Gemmology — gemstones
National Museum of Natural History, Sofia
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The specimens illustrated in this site do not exist in the collections of the National Museum of Natural History, Sofia.