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
