EntityQ898662· pop 10· linked from 48 articlesVerneuil processSign in to savemanufacturing process of synthetic gemstonesConnectionssapphireEntityCzochralski processEntityUnited StatesCountrySwitzerlandCountryParisEntityWorld War IIConceptSoviet UnionConceptironEntityhydrogenEntityoxygenEntityGenevaEntitysodiumEntitytitaniumEntityInternational Standard Book NumberEntitycrystalEntityalchemyEntityFrenchEntitydigital object identifierEntitygemstoneEntityrubyEntityCategoriesChemical processesCrystalsFrench inventionsGemologyIndustrial processesMethods of crystal growthMineralogyScience and technology in France