Columbite

Columbite : (Fe,Mn)(Nb,Ta)₂O₆

Photo Copyright © 2000-2001 by John H. Betts. All Rights Reserved.
This photo, and many others, have been provided by John Betts Fine Minerals - http://www.johnbetts-fineminerals.com - For more fine minerals click here. - This image is copyrighted. Unauthorized reproduction prohibited.

Locality: Minas Gerais, Southeast Region, Brazil

Tabular crystal of black to metallic columbite. The crystal shows several modified faces in the corners. Minor pocket clay attached to the crystal edges. Ex. A. Stevenson collection #102. Overall size of mineral specimen: 16x15x5 mm. Size of individual crystals: 15 mm.

This photo has been shown 1217 times

View User Page & Photos

View Columbite Gallery

View Similar Images

Light Background

Mineral

and/or Locality

www.mindat.org

Web

Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Nov 2009 14:04:04

Columbite

Columbite : (Fe,Mn)(Nb,Ta)2O6

Columbite : (Fe,Mn)(Nb,Ta)₂O₆