Derby Notes IE 4.1

Transcription

Derby Notes IE 4.1
4.1
Properties of Minerals
Opening Question
A tiny piece of salt is
naturally shape of a cube.
Explain how you think this
happens.
4.1 Properties of Minerals
Learning Targets
•I can identify the five main requirements for
something to be considered a mineral.
•I can identify the eight main properties of
minerals.
4.1 Properties of Minerals
• Minerals are:
1. Naturally occurring
2. Inorganic
3. Solid
4. Crystal structure
5. Definite chemical composition
Never Interrupt Santa Clause’s Dinner
Properties of Minerals
There are EIGHT (8) properties that are
used to identify minerals.
Properties of Minerals
1.
2.
3.
4.
5.
Color
Streak
Luster
Density
Hardness
6. Cleavage/Fracture
7. Crystal structure
8. Special
Properties of Minerals
1.
2.
3.
4.
5.
Color
Streak
Luster
Density
Hardness
6. Cleavage/Fracture
7. Crystal structure
8. Special
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Cause Chewbacca's Sneaky
Identifying Minerals
• Crystal – A solid in which the atoms are
arranged in a pattern that repeats over & over
• Streak – The color of a mineral’s powder.
• Luster – The way a mineral reflects light from its
surface.
• Cleavage – A mineral’s ability to split easily
along flat surfaces
• Fracture – The way a mineral looks when it
breaks apart in an irregular way.
Identifying Minerals
• Color - The color of a mineral appears
• Density – How heavy is a 1 meter cube?
• Hardness – how easy is it to scratch or
dent?

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