Fig. 10From: Natural and experimental high-pressure, shock-produced terrestrial and extraterrestrial materialsBF-TEM image of coesite in the eucrite Béréba. Spherical coesite crystals have formed in cristobalite or tridymite grains in contact with the shock-melt veins of Béréba. A part of the original silica has become amorphous. Coe: coesite, Si-Gla: silica-glassBack to article page