Cristobalite inversion

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What is Cristobalite inversion?

Cristobalite inversion

Cristobalite inversion: A sudden change
in the physical structure of silica in its
cristobalite phase. This change causes
sudden expansion on heating (with
corresponding contraction on cooling
from alpha to beta form and takes pace
a temperatures between 220C and
280C(227C is widely taken as a guide).

   

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