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: Sphalerite
 
Class: SULFIDES Group:
Color
yellow to brown to black
Chemical Formula: ZnS
Streak
pale yellow
Luster
metallic to non-metallic
Hardness
3.5 - 4
Cleavage
6 directions
Density
3.9 - 4.1
Crystal Form
Cubic
Common Uses / Other Facts:
rock
Sulfides and Sulfates
Halides
Organic
min