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Crandallite: CaAl3(PO4)2(OH)5·(H2O) Wardite: NaAl3(PO4)2(OH)4·2(H2O)
Comments: Sliced and polished slab of yellow to white mixture of wardite and crandallite.
Location: Clay Canyon, Fairfield, Utah Co., Utah, USA.
Scale: 11x6x.6 cm.
© John Betts - Fine Minerals
Crandallite: CaAl3(PO4)2(OH)5·(H2O) Phosphofibrite: KCuFe+++15(PO4)12(OH)12·12(H2O)
Comments: Olive-green colored fibrous phosphofibrite aggregates with white crandallite.
Location: Silver Coin Mine, Humboldt County, Nevada, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species