Sample #
20
Mineral Name
CHALCOPYRITE
Chemical Composition
CuFeS2
Luster
Metallic
Color(s)
Golden yellow or geenish yellow
Streak Color
Black, greenish-black, brownish-black, grey
Specifc Gravity
4.2
Habit
Massive, granular
Cleavage/Fracture
Very poor/Uneven or none
Hardness
3.5-4
Diagnostic Feature(s) Deep yellow color, hardness