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

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Term
Mineral
Definition

An inorganic organism formed inorganically with a crystal and definite structure.

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Term
Inorganic
Definition

Not arised from a once living thing. Minerals are always this.

 

Term
Crystal
Definition

A solid with a repeating pattern of atoms.

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Term
Hardness
Definition

A characteristic of a mineral and rated on a scale with a name of Mohs.

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Term
Streak
Definition

The color of the powder a mineral makes when scratched.

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Term
Luster
Definition

The way a mineral reflects light giving it a shiny look and is usually metallic.

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Term
Cleavage and Fracture
Definition

A characteristic of a mineral that is observed by the smoothness of the mineral's surface when it is split.

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Term
Density
Definition
A characteristic of a mineral that never changes. Size and force of gravity have no effect in this.
Term
Gem Stone
Definition

A hard, lustrous mineral.

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Term
Crystalline Structure
Definition

A repeated pattern of atoms and must only be found in solids.

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