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cristobalite
(redirected from Crystobalite)

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cristobalite (kristō´blīt),
n a form of crystalline silica used in dental casting investments because of its relatively high capacity for thermal expansion and resistance to breaking down by heat.
cristobalite
the form of silicate which is found in the granulomatous lesions in silicate pneumoconiosis in horses.
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quartz 575[degrees]C- -Quartz 870[degrees]C -tridymite 1470[degrees]C- -cristobalite 1750[degrees]C liquid Of these phases, quartz is the most critical one in as much as it is susceptible to conversion during high temperature service to the less dense crystobalite and tridymite, which is the reason for the expansion taking place.
Production of silica-refractory bricks from white sand by Almarahle, Gazze / American Journal of Applied Sciences
 
 
 
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