Feldspar minerals can look very similar to each other, what would you look for to differentiate plagioclase feldspar from potassium feldspar?
A) striations on plagioclase feldspar
B) cleavage angles
C) hardness
D) crystal habit
Question 2
A mineral's resistance to breaking, bending, or cutting is defined as:
A) Fracture
B) Cleavage
C) Tenacity
D) Specific gravity