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: Hematite
 
Class: OXIDES
Color
red, dark gray to black
Chemical Formula: Fe2O3
Streak
reddish
Luster
earthy or metallic
Hardness
1 - 6.5
Cleavage
none
Density
4.9 - 5.3
Crystal Form
Trigonal/Hexagonal
Common Uses / Other Facts:
rock
Sulfides and Sulfates
Halides
Organic
min