Crystala & Minerals

 

Crystals Growth

In the crystals growth lab. We learned that crystal growth in science class. We learned the  crystal how to growth. We make two types of crystal. We make first a solution by mixing the minerals with water. And then we need waiting it cooling to growth be crystal. The minerals become crystal. We can through it luster and Crystallization to see the crystal growth.

Mineral Properties

Luster: The state or quality of shining by glitter.


color: What color the minerals look like.


Streak:Band of color or the like.


Hardness:A relative degree or extent of this quality.


Cleavage:The state of being cleft.


Fracture:State of being broken.


Composition:The rock and rock together.

Mineral Identification

Halite

Nonmetallic luster
Color:white
Streak:white
Hardness:2.5
Cleavage
Composition:NaCI



Magnetite

Metallic luster
Color:Gray-black
Streak:black
Hardness:5.5-6.5
Fracture
Composition:Fe3O4