USD
VideoLibrary

The History of Quartz & It's use as a High-Quality Resonator: ECS Inc. International

To understand the history of quartz we need to examine what it is. Quartz is a mineral made of Silicon Dioxide, that is found in abundance in nature. In fact, Quartz is the second most abundant mineral in Earth’s crust.

3/22/2019 5:27:16 PM