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Webster 1913 Edition
Apatite
Ap′a-tite
,Noun.
[Gr. [GREEK] deceit, fr. [GREEK] to deceive; it having been often mistaken for other minerals.]
(Min.)
Native phosphate of lime, occurring usually in six-sided prisms, color often pale green, transparent or translucent.
Webster 1828 Edition
Apatite
AP'ATITE
,Noun.
A variety of phosphate of lime; generally crystallized in low, flat, hexahedral prisms, sometimes even tabular. Its powder phosphoresces on burning coals.
The phosporite of Werner includes the massive and earthy varieties of the phosphate, which are distinguished from the apatite, by their containing a small portion of fluoric acid.