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What is a streak?

Updated: 8/9/2023
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9y ago

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In Geology, the 'streak test' is used to identify a mineral by either grinding it to a powder, or scraping across a rough surface to study the streak left behind. It also tests a mineral's hardness.

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9y ago
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8y ago

The streak of nickel is grayish white.

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12y ago

A silvery white to grey

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Q: What is a streak?
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