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Comments: SEM image of rittmannite crystals on massive adularia. (CanMin, v27:447).
Location: Found in altered phosphatic "nodules" from the Mangualde granitic pegmatite, Portugal.
Scale: 240 X.
© Canadian Mineralogist
Comments: Light yellow, opaque, microcrystalline rittmannite on matrix.
Location: El Galineiro, Vigo, Pontevedra, Spain.
Scale: Specimen Size 2.4 x 2.1 x 1.1 cm.
© John Veevaert