luster: a brillance shiny mineral .
color:the property that make you difference's between many things.
Streak : the color that a mineral have after it have turn into powder.
Cleavage:when you broke a mineral and it break evenly.
Fracture:when you broke a mineral and it broke unevenly .
Hardness: the quality or condition of being hard
Composition:the different things that they put in something to make it .
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