Mohs Scale 7 Quartz
Quartz, 30 cm high
Collier Creek Mine, Mount Ida, AR, USA
Robert R. Wiener Collection
Image Credit and Copyright: Jeff Scovil
Quartz
Quartz
Mohs: 7, Absolute: 100
Mohs: 7, Absolute: 100
Quartz is fairly common and easy to find. Because of its piezoelectric properties (electric charge in response to pressure), quartz has been used in clocks and radios.
Quartz is fairly common and easy to find. Because of its piezoelectric properties (electric charge in response to pressure), quartz has been used in clocks and radios.
To stop automatic scrolling through pictures, click the picture, then use the arrows on the pictures to scroll.
Hover your cursor over the image caption to see the full caption
Mohs 6: Orthoclase
Mohs 6: Orthoclase
Mohs 8: Topaz
Mohs 8: Topaz
