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Glossary of watchmaking

Diffusion treated
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Diffusion treated

Traitement par diffusion de la couleur | 拡散処理／カクサンショリ | 漫反射处理

Diffusion treated

A treatment used on gemstones to enhance their colour. The diffusion process only colours the outer surface of the stone, The CIBJO prohibits the sale of diffusion treated gemstones without mentioning the treatment.

Terms with the same letter

Dart (Guard pin) Date Dauphine Day Daylight Saving Time Dead seconds Decimal (Revolutionary) (Republican) Decimal hour Demantoid garnet Detent Dial Dial foot Diamond Dichroism Die Diffusion treated Digital Direct-drive seconds (Trotteuse) Disc Disconnect Display Display lighting Dividing head (Division plate) Drift Drum Dual time zone Dumortierite Dynamograph