The Rocks & Minerals Challenge Game
 
Mineral Identification by Picture and Attribute
Explorers! Before you begin your journey, you need to recognize these geological specimens.
 
Begin by selecting one of the specimens pictured.
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Inosilicates, Neosilicates, Sorosilicates
   
   
Oxides, Hydroxides,
Carbonates
Silicates
         
min min
Name: Muscovite
Alternate Specimen(s) 
Fichter, Lynn S.
James Madison University
Class: SILICATES Group: Phylosilicates (sheet silicates)
Color
brown
Chemical Formula: KAl2(Si3Al)O10(OHF)2
Streak
white
Luster
glassy, pearly
Hardness
2 - 2.5
Cleavage
1 direction, perfect
Density
2.8 - 3
Crystal Form
Monoclinic
Common Uses / Other Facts:
rock
Sulfides and Sulfates
Halides
Organic
min