Coesite Formation at Ambient Pressure and Low Temperatures

<table>Experimental X-ray diffraction pattern of the sample heat-treated at 600<math id="M75" xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mmultiscripts><mrow><mtext>C</mtext></mrow><mprescripts></mprescripts><none></none><mrow><mo>°</mo></mrow></mmultiscripts></mrow></math>
together with the fitted spectrum. The difference is showed in the bottom of
the figure.</table>

Advances in Materials Science and Engineering

fig4

Figure 4

Figure 4: Coesite Formation at Ambient Pressure and Low Temperatures 