In the absence of inclusions or readily identifiable growth structures, natural colorless sapphires can be separated from their synthetic counterparts by their trace-element composition and short-wave ...

It also produced 30 seconds of phosphorescence—the first time this contributor has observed phosphorescence in sapphire, natural or synthetic. Examination in the DiamondView also showed an uncommon ...

There are two types of polymers: synthetic and natural. Synthetic polymers are derived from petroleum oil, and made by scientists and engineers. Examples of synthetic polymers include nylon, ...

Including a lilac sapphire case, the new RM 07-02 Automatic Sapphire timepieces are the latest evolution of Richard Mille's ...

Certain sediments or rock formations are the major natural sources for sapphires. Artificial or synthetic sapphires are also manufactured for industrial purposes of the remarkable hardness of ...

Synthetic sapphire features a composition and structure that are identical to those of natural sapphire, which endow it with the same qualities that make the material desirable in watchmaking: ...