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Showing 1 to 2 of 2 for “"tridymite"”.
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Nuclear magnetic resonance investigations of structural phase transitions in silicon dioxide cristobalite and tridymite and related phases
… cristobalite and SiO$\sb2$ and AlPO$\sb4$ tridymite polymorphs. The structural properties and SPT's of these phases have been of mineralogical, physical and industrial interest for decades. However, the microscopic characteristics of the SPT's and the origins of the commonly observed …
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The Twiggs Clay: mineralogy, origin, and industrial properties of an upper Eocene opaline claystone in the coastal plain province of Georgia, U.S.
… of the opaline phase is most like that of tridymite. The uppermost stratum is composed of kaolinite and smectite. This stratum lies above a prominent erosional surface and may represent a younger deposit. The opaline assemblage is an altered diatomite and likely represents rapid …