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.
.
   
Inosilicates, Neosilicates, Sorosilicates
   
   
Oxides, Hydroxides,
Carbonates
Silicates
         
min min
Name: Gypsum
 Alternate Specimens
Fichter, Lynn S.
James Madison University
Class: SULFATES
Color
clear to white
Chemical Formula: CaSO42H2O
Streak
white
Luster
pearly
Hardness
2
Cleavage
1 direction
Density
2.3
Crystal Form
Monoclinic
Common Uses / Other Facts:
rock
Sulfides and Sulfates
Halides
Organic
min