Quartz crystal

From FIS Freestyle wiki

Revision as of 21:51, 1 July 2011 by Joe (Talk | contribs)
Jump to: navigation, search

Quartz (from German Quarz) is the second most abundant mineral in the Earth's continental crust (after feldspar). It is made up of a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2.


Also See:


Return to Timing Glossary, Freestyle Skiing or Competition Organization

Personal tools