A streak test is used to identify minerals by looking at the color of the streak made by rubbing the mineral against rough, uncolored ceramic or porcelain. The following table presents the colors of several minerals as well as the colors of the streaks they make.
Mineral Color Streak
Color
Gold golden yellow yellow
Pyrite golden yellow black
Quartz colorless white
Amethyst purple white
Hematite metallic gray red
Galena metallic gray lead gray
Which of the following pairs of minerals can be told apart by their color without performing a streak test?
A.
hematite and galena
B.
gold and pyrite
C.
quartz and amethyst
D.
all of these