Uses for Magnetite,Hematite,and Goethite other than iron ore
Magnetite: Crystals of magnetite have been found in some bacteria (e.g., Magnetospirillum magnetotacticum) and in the brains of bees, of termites, of some birds (e.g., the pigeon), and of humans. These crystals are thought to be involved in magnetoreception, the ability to sense the polarity or the inclination of the Earth's magnetic field, and to be involved in navigation. Also, chitons have teeth made of magnetite on their radula making them unique among animals. This means they have an exceptionally abrasive tongue with which to scrape food from rocks. Hematite: Hematite's popularity in jewelry was at its highest in Europe during the Victorian era, while in the last 50 years it has been popular in North America, especially in the western United States where it is found in jewelry and art created by Native Americans. Care should be taken in handling hematite items due to the material's susceptibility to damage. Goethite: Used as a pigment , or ochre, the principal use of ochre is as tinting colours. It is used for colour washes, distemper and oil paints. It is also used in making coloured paper.
I have tons of web browsers installed but I only use a few of them. I use Google Chrome the most on Windows 7, some others I use are Minefield (Firefox nightly builds) Frefox 4 Beta, IE8 and the Internet Explorer Platform Preview (IE9 preview builds). On Linux I use Firefox the most, then Chromium as a side browser.
