Taggarkiv: Looking at colored gems through a magnifying glass

Silverkedjedesign för kvinnor som tittar på färgade ädelstenar genom ett förstoringsglas, Vad ser du?

With the help of magnifying glass, microscope and other instruments, the magnification inspection of colored gemstones is mainly to observe the internal and external characteristics of the jewels and jade. Internal features include: inclusions, structure, texture, color bands, stains, etc.; external features include: original crystal planes, surface scratches, ports, and open slit lamps. Magnification inspection […]