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Crandallite : CaAl3(PO4)2(OH)5·H2O, Fluellite : Al2(PO4)F2(OH)·7H2O

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minID: L53-QMC

Crandallite : CaAl3(PO4)2(OH)5·H2O, Fluellite : Al2(PO4)F2(OH)·7H2O

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Dimensions: 8.7 cm x 4 cm x 1.7 cm

Crandallite after Fluellite from Cantera Azkarate, Eugui, Navarra

A mineralogical rarity. The Crandallite has been totally substituted by the Fluellite. This one is even more interesting given the size of the crystals and the fact that they are well separated from each other and are on the contrasting dark matrix.

Size:8.7 x 4 x 1.7cm

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Photo added: 10th Apr 2006

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