MUSCOVITE Description PDF Print E-mail

 

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THE ROCK PROFESSOR

Example of MUSCOVITE in the Rock Professor

Photo by Roger Weller,
Cochise College

MUSCOVITE
Muscovite (also known as MICA) is a common rock forming mineral of high aluminum mica content common in felsic rocks and in metamorphic rocks. It has a layered structure of aluminum silicate sheets weakly bonded together by layers of potassium ions.  Muscovite was once commonly used for windows.


Chemistry: Potassium aluminum silicate hydroxide fluoride ♦ Class: Silicates ♦
Group: micas ♦ Crystal system: monoclinic ♦ Color: white, silver, yellow, green and
brown ♦ Luster: vitreous to pearly ♦ Transparency: transparent to translucent ♦
Fracture: uneven ♦ Cleavage: perfect in one direction producing thin sheets or flakes ♦ Moh's hardness: 2 - 2.5 ♦ Localities: India, Pakistan, Brazil and many USA localities.

 

 

 

 

 

 

 

 

 


 
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