Welcome to biology-online.org! Please login to access all site features. Create account.
Log me on automatically each visit
| Page history
| Printable version
(Science: chemical) An earthy oxide of manganese, or mixture of different oxides and water, with some oxide of iron, and often silica, alumina, lime, or baryta; black ocher. There are several varieties.
plumbago, or black lead.
Please contribute to this project, if you have more information about this term feel free to edit this page
This page was last modified 21:16, 3 October 2005. This page has been accessed 4,100 times. What links here
| Related changes
| Permanent link
© Biology-Online.org. All Rights Reserved.
Register | Login
| About Us | Contact Us | Link to Us | Disclaimer & Privacy | Powered by CASPION