Biotite is a form of Mica (dark/black mica) made from Mafic eruptions. It is often found embedded in Granite. Boitite can also be found in some varieties of Schists, and in some other metamorphic rocks.
biotite has a colorless streak
They are most likely muscovite or biotite mica.
no,biotite is not attracted to magetic forces (its not attracted to magnet)
Biotite mica has a Mohs hardness of 2.5-3.0.
Feldspars, biotite, magnetite, and quartz are found in varying degrees in igneous andesitic rocks.
biotite mica
All over California
Up ur ass!loL Dx
Biotite is mined in North W.A dnt noe if its rightt, cuz im only 11! IM DOING MY HOMEWORK IT SAYS ITS MINED IN NORTH WA BUT I DUNNO IF IT IS BIOTITE! ....anyway... tell mee wat ya think :)
Amiphibole and biotite mica.
biotite has a colorless streak
Biotite is a form of Mica (dark/black mica) made from Mafic eruptions. It is often found embedded in Granite. Boitite can also be found in some varieties of Schists, and in some other metamorphic rocks.
They are most likely muscovite or biotite mica.
the minerals are:mica,biotite,quartz andolivine ;
There are a number of minerals found in Stone Mountain in Georgia. These include biotite, granite, as well as magma.
no,biotite is not attracted to magetic forces (its not attracted to magnet)