Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks These include annite phlogopite
Phlogopite also called brown mica basic aluminosilicate of potassium magnesium and iron that is a member of the common mica group Varieties that contain
New South Wales has moderate potential for the production of Muscovite Minor production of mica as a by product of feldspar mining has occurred near Broken Hill A large primarily on the basis of the grinding technique used and the
Biotite another common mica is recognized by the IMA as a mineral group of related Phlogopite being a poor conductor of heat and electricity is used as an
Phlogopite is a rarer member of the mica group and is not well known even by mineral collectors It has been mined however for its heat and electrical insulating
and analytical electron microscopic AEM study was made on samples both before and after dis solution to demonstrate the structural modification in the
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