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

Gummite

Locality: Chupa pegmatite field, Northern Karelia, Karelia Republic, Northern Region, Russia

Bright yellow-orange pseudomorphoses of "Gummite" after cm-size crystal of former Broggerite. Composition of this gummite is very interesting - central orange part consist of thorian Curite, this oxide core is surrounded by yellow silicate rim composed from bright yellow Casolite and pale yellow Soddyite. Pegmatite matrix especially micas are penetrated by light-yellow films of later earthy Uranophane. Specimen size is 5x4 cm and its total radioactivity is ~690 μR/h. Collected in the end of 80th. Pavel M. Kartashov collection and photo.

This photo has been shown 1087 times

Photo added: 28th May 2008

View User Page & Photos

View Gummite 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: 23rd May 2013 06:22:00