For the Majority of Minerals,the Streak Color Obtained When the Mineral

question 31

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

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