Friday, October 26, 2012

Crystals & Minerals

                     Crystals & Minerals 
Crystals- In Crystals grow table, we made water be come hot first, that we mixing of the Minerals of the water, one spoon at a time. when the Minerals can not melting, hat we waited the Minerals become grow.  The Minerals become Crystals. The color of the crystal was white. The luster of the crystal was non-metallic because it didn't looks like metal. The Rocks are make up of mineral.

 Minerals 
  Luster:
                 Metallic is looks like metal

     
           Non-metallic is does not look like metal
   Streak:
                     Color is a color other than white or clear



                 Colorless is white color or clear
   Hardness:
                Soft is does not scratch a glass plate(5.5)   
                 Hard is scratch the glass plate(5.5)
                                         
     Cleavage/Fracture:
                         Cleavage is after break, it is evenly.
                          Fracture is after break, it is unevenly.
                                           
     3. Mineral Identification                                   
                                         
Luster: Non- metallic
Color: Colorless/ white
Hardness: 3
Cleavage
                                         
 luster-  metal
Color- black to silver
hardness 5.5 to6.5
Fracture 

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