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: Apatite
Alternate Specimen(s)
Fichter, Lynn S.
James Madison University
Class: PHOSPHATES
Color
green
Chemical Formula: Ca5(PO4)3 (F, Cl, OH)
Streak
white
Luster
glassy
Hardness
5
Cleavage
none
(Conchoidal gracture)
Density
3.1 - 3.2
Crystal Form
Trigonal/Hexagonal
Common Uses / Other Facts:
rock
Sulfides and Sulfates
Halides
Organic
min