natural quartz

基本解釋

Natural quartz crystal from DONGHAI, JIANG SU mostly include amethyst, smoky quartz and yellow quartz.
東海天然有色水晶主要有紫晶、煙晶、黃水晶。
The main composition of the quartz stone is selected natural quartz. It's made of 87% quartz crystal and 13% resin and annexing agent .
石英石的主要成分主要是精選的天然石英石，由87%的石英石晶體和13%的樹脂和添加劑復(fù)合而成。
Melting experiments validate that the content of high temperature form water is the most important factor influencing the quality of the natural quartz.
熔制實驗證明：高溫水的含量是影響天然石英質(zhì)量的最主要因素。