Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Tapiolite-(Fe): (Fe++,Mn++)(Ta,Nb)2O6 Tapiolite: (Fe,Mn)(Ta,Nb)2O6
Comments: Twinned, brown, dipyramid crystal of ferrotapiolite. Location: Sapucaia district, Galileia, Minas Gerais, Brazil. Scale: 4.2x3.1x3.1 cm. © Richard Dale / Dale Minerals
Comments: Ferrotapiolite crystal in white quartz and mica matrix. Location: Quixabá Mine, Frei Martinho, Paraíba Brazil. Scale: Crystal size 1 x 0.8 cm. © Fabre Minerals