Well-formed pseudomorphs of anatase after sphene occur in an allanite-bearing pegmatite near the crest of the Blue Ridge in Roanoke County, Virginia. The pseudomorphs are nearly identical to xanthitane (xanthotitane, xanthotitanite) from Henderson County, North Carolina, originally described as a new mineral by Shepard (1856) and Eakins (1888), and later shown by Frondel (1941) to be anatase after sphene. Pough (1934) summarized the earlier literature relating to anatase as an alteration product of sphene, and Deer et al. (1962) have reviewed the more recent literature on the subject.

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