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 a hand sample among crystals
C) less variable than the color in a hand sample among crystals
D) always dark brown or black
Correct Answer:

Verified
Correct Answer:
Verified
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