HOME Articles Biotite
Facebook Fossiel.net In English Please In het Nederlands


Come to our PaleoTime-NL International Fossil Show in Harderwijk (NL), on March 9th 2019!

Contribute knowledge and information to Fossiel.net!
How can I help?

Most Popular Articles

Sea urchin spines F2485
4.50 EUR


Biotite is a soft mineral that belongs to the group of mica. It is easily split into layers. The chemical formula of biotite is K(Mg,Fe2+)3AlSi3O10(OH,F)2.  Biotite is present in many types of rocks including granite, gneiss and schist.

Do you have additional information for this article? Please contact the Fossiel.net Team.