Assertion: high cristobalite | /r/HasProperty | beta-cristobalite
Facets:
Source sentences:
text: It is known that high cristobalite, also referred to as beta-cristobalite, is one of the best refractories available for use in ovens and furnaces where the temperatures encountered are well-above 1,000° C and up to 1,500° C, due to its low coefficient of thermal expansion.