Reports

Ferrosilite (FeSiO3): Synthesis at High Pressures and Temperatures

Science  03 Apr 1964:
Vol. 144, Issue 3614, pp. 73-74
DOI: 10.1126/science.144.3614.73

Abstract

The FeSiO3 (ferrosilite) end member of the pyroxene series is not known as a pure mineral in nature and cannot be synthesized at atmospheric pressure. It is readily synthesized, however, at pressures from 18 to 45 kb and temperatures from 1150°to 1400°C. Its refractive indices approach those predicted for ferrosilite and it melts incongruently to an Fe, SiO4-rich liquid plus quartz.

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