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Dittmarite: (NH4)Mg(PO4)·(H2O) Newberyite: Mg(PO3OH)·3(H2O)
Comments: Translucent crystalline dittmaritewith more opaque newberyite. Location: Skipton Caves, Victoria, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species