Multiple Choice
For the majority of minerals,the streak color obtained when the mineral is scratched against a porcelain plate is ____________.
A) likely to be diagnostic only if the mineral is hard enough to scratch porcelain
B) more variable than the color in hand sample among crystals
C) less variable than the color in hand sample among crystals
D) always dark brown or black
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Minerals utilized by humans as a source
Q12: When in contact with hydrochloric acid, which
Q14: The silica tetrahedron that forms the backbone
Q19: Which common mineral is found in most
Q19: Minerals that do not possess cleavage are
Q22: All minerals are chemical compounds (composed of
Q24: Ore minerals,such as galena and hematite,tend to
Q41: Diamond and graphite are both polymorphs of
Q47: The most abundant minerals belong to a
Q48: Trace amounts of impurity in a mineral