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Hydroxylapatite
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| Hydroxylapatite_1 Formula: Ca4.557 Na.02 Ce.423 (P2.595 Si.405) O12.664 F.335 H2 Name: Hydroxylapatite Unit cell: 9.4202 9.4202 6.9157 90.0 90.0 120.0 , V=531.48 Space group: P63/M (176) |
Hughes J M , Cameron M , Mariano A N , American Mineralogist , 76 (1991) p.1165-1173, Rare-earth-element ordering and structural variations in natural, rare-earth-bearing apatites, sample B from the Oka carbonatite
