Minerals Flashcards
1
Q
What are the 4 criteria of minerals?
A
Is it inorganic?
Does it occur naturally?
Does it have a consistent chemical composition?
Is it a crystalline structure?
2
Q
List and define the physical properties of minerals.
A
Color
Density- how tightly packed it is/ how heavy
Luster-light reflection
Cleavage- the way it splits
Fracture- the way it breaks
Streak- the color left behind when scratching a surface
Shape
Hardness- its ability to be scratched and by what
