Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (7 online) Mindat Auctions

Birnessite


Birnessite : (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O

Photo Copyright © 2005 Doug Merson  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville Co., Québec, Canada
Photographed by and in the collection of Doug Merson.

This photo has been shown 426 times

< View User Page & Photos View Birnessite Gallery View Similar Images Light Background >



Mineral and/or Locality
Google
 
www.mindat.org Web
Copyright © Jolyon & Ida Ralph 1993-2008. 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.