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

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Term
Mineral
Definition
A solid inorganic substance of natural occurence[image]
Term
Inorganic
Definition
Not arising from natural growth[image]
Term
Crystal
Definition
A piece of Homogenous solid substance having a naturally regular form with symetrically arranged plane faces[image]
Term
Hardness
Definition

How hard an object is.

you use the mohs scale to measure hardness of a rock.[image]

Term
Streak
Definition
The line of color a rock leaves when it is scratched on another.[image]
Term
Luster
Definition
The shine or glossiness a rock has.[image]
Term
Fracture
Definition

When a rock is broken it has a certain fracture

Most just break irregularly

Some break in sheets or layers.[image]

Term
Density
Definition

The amount of matter packed into a certain amount of space.

Mass\Volume[image]

Term
Gemstone
Definition

a cut and polished mineral

Especially Those used in Jewerly[image]

Term
Cleavage
Definition
The way a mineral splits and makes flat surfaces.[image]
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