Fig. 4
From: Mineral dissolution and reprecipitation mediated by an amorphous phase
Details of the reaction zone between cpx and Na-amph. a Bright-field TEM image of the FIB section taken along the red line in Fig. 1c highlighting the denticulated surface of the reacting cpx. The needle-like denticles grade into an amorphous phase by a gradual de-polymerization of the cpx lattice as shown in b. b Inverse FFT HR-TEM image showing the cpx dissolution process. The cpx surface is highly lobate and within the crystal amorphous regions develop. In turn, small fragments of the original crystal can be seen in the amorphous material (arrows). The calculated diffraction patterns demonstrate the structural differences between the reacting cpx and the amorphous phase
