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Compare and contrast between graphite and diamond.
Both of graphite and diamond are made up of carbon atoms but with different arrangement.
Explain how can you decide whether a substance you found is a mineral or not.
It needs to be solid with crystalline structure/ inoganic / naturally formed / has specific chemicl composition.
Looking at the minerals formed inside and outside the volcano, compare the size of their crystals.
Minerals formed inside a volcano have bigger sized crystals than those formed outside the volcano.
List 3 ways by which minerals form.
1. As magma and lava cools/ 2. By metamorphosis / 3. From solutions
..................... is used to describe minerals but it is not the best way, because it might change under certain conditions.
Color
................. of a mineral can be metallic or nonmetallic
Luster
When a mineral breaks unevenly or scattered we say it is ......................
fractured.
The marks that minerals leave when scratched on a porcelain plate are defined as :
Streak
............... describes when a mineral breaks along a plane or uniform shape.
Cleavage
What property determines how easy it is to scratch a mineral?
Hardness
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