天然的水晶一般都会有絮状（绵绺），也就是大家俗称的瑕疵，这是液体水落石出和二氧化碳的小孔穴，而人工合成的水晶就不会有这样的特征。Crystals are beautiful rock formations which have shocked people for Many decades. They are really utilized for quite a few various things, not only for decor
All-sound-condition ultraviolet lasers are already commonly Utilized in the fields of mechanical flaw detection, lithography, micromachining and medicine for the benefits of smaller volume, lengthy lifestyle, higher performance, fantastic beam excellent, extensive tuning and narrow spectral line, etcetera. Making use of large energy near-infrared c