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Minerals
Minerals of Earth
10
Science
6th Grade
02/15/2012

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Term

 Mineral

 

 

Definition

 

 

any of kind of substances occurring in natue, inorganic substance, as quartz or feldspar, of definite chemical composition and usually of definite crystal structure, but sometimes also including rocks formed by these substances as well as certain natural products of organic origin, as asphalt or coal.
Term
Inorganic
Definition
not having the structure of a organic mineral
Term

 

Crystal

Definition
a clear and transparent mineral
Term

 

 Hardness

Definition
the state or quality of being hard
Term

 

Streak

Definition
a vein, strain, or admixture of anything
Term

 

Luster

Definition

 

 

 

 

 

 

the state or quality of shining by reflecting light; glitter,

sparkle, sheen, or gloss

 

Term

 

Fracture

Definition
the act of breaking; state of being broken
Term

 

Density

Definition

 

the state or quality of being dense
Term

 

  Gem stone

Definition
a percious stone that can be cut and polished for use as a gem
Term
Cleavage
Definition
the act of cleaving or splitting.
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