tellurium dioxide

(redirected from Paratellurite)

tellurium dioxide

[tə′lu̇r·ē·əm dī′äk‚sīd]
(inorganic chemistry)
TeO2 The most stable oxide of tellurium, formed when tellurium is burned in oxygen or air or by oxidation of tellurium with cold nitric acid; crystallizes as colorless, tetragonal, hexagonlike crystals that melt at 452°C.
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The analysis involved crystalline phases of tellurium dioxide: paratellurite [alpha]-Te[O.sub.2], tellurite [beta]-Te[O.sub.2], and the new phase -TeO2, recently identified experimentally.
Switzer was involved in the description and naming of five new mineral species during his career: veatchite (1950), ordonezite (1955), paradamite (1956), paratellurite (1960) and galeite (1963).