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

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Term
Mineral
Definition

A mineral is a natural inorganic solid made up of crystal structures, and has definite chemical properities.

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Term
Inorganic
Definition
The mineral cannot be created by materials that were once living creatures.[image]
Term
Crystal
Definition
A minarel made up of repeating patterns.[image]
Term
Hardness
Definition
Hardness is determined by the Mohs hardness scale. It determines how hard a mineral is. 1 is the softest and 10 is the hardest.
Term
Streak
Definition
The color of the powder of the mineral. This can be found by rubbing the mineral against a streak plate.[image]
Term
Luster
Definition
How much light a mineral reflects off its surface. It is also shiny.[image]
Term
Fracture
Definition
Describes how the mineral looks when it is broken in an irregular way.[image]
Term
Density
Definition
It is a measurement of how much mass is in an object.
Term
Gemstone
Definition

A precious colorful rock that has alot of luster.

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Term
Cleavage
Definition

A mineral that splits easily easily on a flat surface.

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