Home Page	Log In	Messageboard	The Mindat Directory
Register	Search Pages	Mineral Chatroom	The Mindat Store

Ferro-ferri-nybøite, Pyrochlore Group (Var: Ceriopyrochlore (of Hogarth 1977)), Albite

Locality: Abdong Zr-Nb deposit (Aptong), Pyonggang-gun, Kangwon Province, North Korea

Black granular-prismatic masses of ferric-ferronyboite with composition (Na.67K.44)1.11(Na1.39Ca.44Mn.17)2.00(Fe"1.87Mg1.15)3.02(Fe"'1.50Fe".50)2.00[Si7.19Al.51Ti.11O22](OH)2. Ferric-ferronyboite on the deposit connected with the main ore-productive phase, see rich inclusions of orange-brown ceriopyrochlore-(Ce) in this amphibole segregation. Associated minerals are white albite and beige zircon. FOV is ~ 12x10 mm. Selfcollected in March of 2002. Pavel M. Kartashov collection, analytical data and photo.

This photo has been shown 460 times

Photo added: 16th Sep 2007

View User Page & Photos

View Ferro-ferri-nybøite Gallery

Create Talk Page

Light Background

Mineral	and/or Locality
Search Google

Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 24th May 2013 11:38:28