Explore Safira, Doce e muito mais!

Explorar tópicos relacionados

Columbite-(Mg), (Mg,Fe++,Mn)(Nb,Ta)2O6, Pederneira claim, São José da Safira, Doce valley, Minas Gerais, Brazil. 5.46 mm Columbite-(Mg) crystal. Natural History Museum Milan, Italy Collection.  Copyright: © Chinellato Matteo

Columbite-(Mg), (Mg,Fe++,Mn)(Nb,Ta)2O6, Pederneira claim, São José da Safira, Doce valley, Minas Gerais, Brazil. 5.46 mm Columbite-(Mg) crystal. Natural History Museum Milan, Italy Collection. Copyright: © Chinellato Matteo

Tantalite, (Fe,Mn)(Ta,Nb)2O6, São Pedro claim, Malacacheta, Malacacheta district, Jequitinhonha valley, Minas Gerais, Brazil. Dimensions: 36 x 22x 22 mm. Franco Amadori photo. Paolo Franchi collection.

Tantalite, (Fe,Mn)(Ta,Nb)2O6, São Pedro claim, Malacacheta, Malacacheta district, Jequitinhonha valley, Minas Gerais, Brazil. Dimensions: 36 x 22x 22 mm. Franco Amadori photo. Paolo Franchi collection.

Columbite-(Fe),  	Fe++Nb2O6, pegmatite area near Conselheiro Pena, Minas Gerais, Brazil. A well-developed crystal of Columbite-(Fe) displaying a tabular-blocky habit with crystals in parallel position associated with creamy white bladed crystals of probable Albite.

Columbite-(Fe), Fe++Nb2O6, pegmatite area near Conselheiro Pena, Minas Gerais, Brazil. A well-developed crystal of Columbite-(Fe) displaying a tabular-blocky habit with crystals in parallel position associated with creamy white bladed crystals of probable Albite.

Fordita ou como é mais conhecida Ágata de Detroit

Fordita ou como é mais conhecida Ágata de Detroit

Tantalite, (Fe,Mn)(Ta,Nb)2O6,  Mendes Pimentel, Doce valley, Minas Gerais, Brazil. Dimensions: 21 x 11 x 8 mm. Several thin, twinned crystal of tantalite giving a pseudohexagonal appearance. The crystals are sharp and well crystallized with distinct surface striations. Copyright: © 2001 John H. Betts

Tantalite, (Fe,Mn)(Ta,Nb)2O6, Mendes Pimentel, Doce valley, Minas Gerais, Brazil. Dimensions: 21 x 11 x 8 mm. Several thin, twinned crystal of tantalite giving a pseudohexagonal appearance. The crystals are sharp and well crystallized with distinct surface striations. Copyright: © 2001 John H. Betts

Columbite-(Fe), Fe2+Nb2O6, Galilea, Minas Gerais, Brazil. Superb single crystal of black columbite-(Fe) with striated prism faces and complex termination. The crystal is complete on all faces with few imperfections. Overall Size: 4x3.5x3 cm, Crystals: 4 cm

Columbite-(Fe), Fe2+Nb2O6, Galilea, Minas Gerais, Brazil. Superb single crystal of black columbite-(Fe) with striated prism faces and complex termination. The crystal is complete on all faces with few imperfections. Overall Size: 4x3.5x3 cm, Crystals: 4 cm

Tantalite-(Mn), MnTa2O6, Darra-i-Pech, Pegmatite Field, Nangarhar Province, Afghanistan. Size: 3.9 x 2.5 x 2.0 cm. A very sharp, complete-all-around cluster of elongated manganotantalite crystals with classic reddish coloration. Copyright: © Rob Lavinsky

Tantalite-(Mn), MnTa2O6, Darra-i-Pech, Pegmatite Field, Nangarhar Province, Afghanistan. Size: 3.9 x 2.5 x 2.0 cm. A very sharp, complete-all-around cluster of elongated manganotantalite crystals with classic reddish coloration. Copyright: © Rob Lavinsky

Columbite-(Fe),  	Fe++Nb2O6,  Spargoville, Coolgardie District, Western Australia, Australia. A large blocky terminated columbite Fe from the old workings

Columbite-(Fe), Fe++Nb2O6, Spargoville, Coolgardie District, Western Australia, Australia. A large blocky terminated columbite Fe from the old workings

Impressive plate of Galena cubes with Pyrite set atop black Sphalerite matrix Commodore Mine, Amethyst Vein, Creede District, Mineral County, Colorado

Impressive plate of Galena cubes with Pyrite set atop black Sphalerite matrix Commodore Mine, Amethyst Vein, Creede District, Mineral County, Colorado

Tantalite-(Mn), MnTa2O6, Paprok, Kamdesh District, Nuristan Province, Afghanistan. Dimensions: 2.7 x 1.5 x 1.4 cm. A loose double terminated dark red opaque semi-lustrous crystal of Tantalite-(Mn). Copyright: © Weinrich Minerals, Inc.

Tantalite-(Mn), MnTa2O6, Paprok, Kamdesh District, Nuristan Province, Afghanistan. Dimensions: 2.7 x 1.5 x 1.4 cm. A loose double terminated dark red opaque semi-lustrous crystal of Tantalite-(Mn). Copyright: © Weinrich Minerals, Inc.

Pinterest
Pesquisar