क्रिस्टोबालाइट इसके अंग्रेजी अर्थ का उदाहरण

It also occurs in the Earth's crust, in association with clinopyroxene, plagioclase, ilmenite, cristobalite, tridymite, fayalite, fluorapatite and potassic feldspar, and forms series with pyroxmangite.

The presence of cristobalite, vesicular texture and some other petrographic observations indicate that the lunar pyroxferroite was produced upon rapid cooling from low-pressure and high-temperature (volcanic) conditions, i.

Evidences of the effect of lightning on rock are the presence of beta-quartz (T > , called "flashstones" by local diggers), melted barbed wires (T > ); furrows in soils and colluvium up to long with the presence of cristobalite, the high-temperature modification of quartz ().

Important ones include: α-quartz, β-quartz, tridymite, cristobalite, moganite, coesite, and stishovite.