5 SIMPLE TECHNIQUES FOR CRYSTAL

5 Simple Techniques For Crystal

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。By clicking “Settle for All Cookies�? you comply with the storing of cookies on your device to improve website navigation, assess site use, and support in

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