Stishovite
From Biocrawler, the free encyclopedia.
Stishovite is a form of silicon dioxide that is formed at very high pressure (~ 100 kbar) and temperature (> 1200 ° C), so far as is known only in meteorite impact craters and their ejecta. For properties see [1] (http://mineral.galleries.com/minerals/oxides/stishovi/stishovi.htm) and [2] (http://www.minsocam.org/msa/Handbook/Stishovite.PDF)
and for its relationship to impacts see [3] (http://www.umich.edu/~gs265/meteor.htm)
Related mineral: see Coesite

