MINERALS - Copy

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MINERALS

List or what are all of Properties of Minerals?

5- Color

4- Streak

a- The color of its powder.

b- Not always the same as the color of the mineral.

3-Luster

What is tourmaline?

Its a gem stone that has a glassy and luster properties

1-The way a mineral reflects light

2- Can be metallic or non-metallic

3- Shiny or dull.

4- waxy, pearly, glassy

2-Density

B-Each mineral has its own density called specific gravity

A-Minerals will have a certain density regardless of the size of the sample.

1-Hardness

A measure of how easily a mineral can be scratched.

what does all All minerals must have or be?

4- Definite chemical composition

what is a Definite chemical composition?

3- Crystal structure

2- Inorganic solid

Subtopic

1-Occur naturally in nature

What Minerals must be?

4- definite chemical composition

1-Always contains certain elements in the same proportion

2-Almost all minerals are compounds, (two or more different elements chemically joined).

3- Have a definite crystal structure

1- particles line up in a regular, repeating pattern.

2- flat sides called faces, that meet at sharp edges and corners

2- Solid

a) Have a fixed shape and volume

b)Never living-inorganic

1- Naturally occurring made from non- living things

Not man made

fossils & coal are made from living things that died so are not considered minerals