With the help of magnifying glass, mikroskop ve diğer aletler, the magnification inspection of colored gemstones is mainly to observe the internal and external characteristics of the jewels and jade. Internal features include: kapsama, yapı, doku, renk bantları, lekeler, vesaire.; external features include: original crystal planes, yüzey çizikleri, ports, and open slit lamps. Büyütme denetimi […]
