Assertion: high cristobalite | /r/HasProperty | stable
Facets:
value: thermally
type: DEGREE
Source sentences:
text: A glass-ceramic article, such as refractory brick, which contains stabilized high-cristobalite solid solution and may contain one or both of feldspar and low cristobalite which high cristobalite is thermally stable and will not invert to low-cristobalite when cooled from a temperature above 1,000° C to ambient temperature, nor crack or spall, is produced by first making a glass melt having the composition of the formula: