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Microlite: (Na,Ca)2Ta2O6(O,OH,F)
Comments: Brown crystal of microlite 10 mm in an albite matrix. Location: Morefield Mine, Winterham, Amelia Co., Virginia, USA. Scale: 5x4x3 cm. © John Betts - Fine Minerals
Comments: Golden-colored microlite octahedrons on white albite. Location: Maxixe Mine, Itinga, Minas Gerais, Brazil. Scale: Crystal size .5 cm. © John Veevaert