deltaite

deltaite

[′del·tə‚īt]
(mineralogy)
A mixture of crandallite and hydroxylapatite.
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References in periodicals archive ?
Hydroxylapatite crystals in crandallite were described (as a new species, "deltaite") from the Clay Canyon variscite nodules by Larsen and Shannon (1930).
(1960) Deltaite is crandallite plus hydroxylapatite.