lesson 2

Question 1

the way in which a mineral reflects light.

Answer 1

luster

Question 2

the color of the powder of a mineral.

Answer 2

streak

Question 3

the splitting of a mineral along smooth, flat surface.

Answer 3

cleavage

Question 4

the manner in which a mineral breaks along either curved or irregular surfaces.

Answer 4

fracture

Question 5

a measure of the ability of a mineral to resist scratching.

Answer 5

hardness

Question 6

the ratio of the mass of a substance to the volume of the substance.

Answer 6

density