Stishovite
Stishovite
Taran Adarsh
<catset>Category="Quartz varieties"</catset><b>Stishovite</b> is a form of <a href="Silicon dioxide">Silicon dioxide</a> that is formed at very high pressure (~ 100 kbar) and temperature (&gt; 1200 ° C), so far as is known only in meteorite impact craters and their <a href="Ejecta">Ejecta</a>. For properties see <font color=#700070></font> and <font color=#700070></font><p>and for its relationship to impacts see <font color=#700070></font><p>Related mineral: see <a href="Coesite">Coesite</a>