Sell natural precious quartz stone 98.8% clarity

详情

We can make available to our esteemed buyer the raw natural precious quartz stone having clarity *8.8 % to our esteemed buyer. kindly send your inquiry.Quartz crystals have piezoelectric properties: they develop an electric potential upon the application of mechanical stress. An early use of this property of quartz crystals was in phonograph pickups. A common piezoelectric uses of quartz today is as a crystal oscillator. The quartz clock is a familiar device using the mineral. natural precious quartz stone physicaly appears to be smokey and hard.