July 2021 – quartz

Quartz comes in many different shapes and colors. One well-known twin is the so-called Japanese twin. This naturally fits in with the Olympic Games in Tokyo.

Quartz [SiO2]: Is a very common mineral in the earth’s crust. In granite, it can be easily recognized in the rock alongside feldspar and mica.

Uses: Quartz has a wide range of applications. For example, quartz sand is used to make glass. But also think of quartz watches.

By the way: There are small and large quartz crystals in the Museum Mineralogia Munich. The large quartz crystal in the foyer catches the eye and there are several beautiful rock crystal steps to see in the showroom.