Encyclopedia > Petalite

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Petalite is a rare mineral, occurring crystallized and in cleavable masses, usually white, or nearly so, in color. It is a silicate of aluminia[?] and lithia[?].

See also: List of minerals

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John A. Pople

... United States of America in the 1950s, where he has resided since then, though retaining British citizenship. He received his B. A. (in 19__) and doctorate (in 1951) degrees ...