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Verneuil method

The Verneuil method (or Verneuil process or Verneuil technique), also called flame fusion, was the first commercially successful method of manufacturing synthetic gemstones, developed in late 1883 by the French chemist Auguste Verneuil. It is primarily used to produce the ruby, sapphire and padparadscha varieties of corundum, as well as the diamond…

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Verneuil method

Nodes63
Edges62
Triples4
Avg. degree1.97
Density0.031746
Components1

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process verneuil crystal ruby boule flame method growth rubies also first synthetic crystals used sapphire doi alumina oxide produced furnace

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SubjectPredicateObjectConfidenceSrc
for timepieces.The process was designed primarily for the synthesis of rubiesinstance ofand jewels were in high demand for their military applications0.80text
which became the first gemstone to be produced on an industrial scaleinstance ofand jewels were in high demand for their military applications0.80text
star sapphiresinstance ofThe basic process can be used to form even more elaborate gemstones0.80text
where titaniainstance ofThe basic process can be used to form even more elaborate gemstones0.80text

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