What mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?

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asked Mar 10, 2022 157k views

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Magiix · Answer 1 · 2022-03-13T03:26:49+0000

Answer:pyrite

Explanation: The Streak Test: Marks, known as "streaks," are produced by scraping mineral specimens across unglazed porcelain plates. On the left, a specimen of pyrite has produced a black streak.

What mineral leaves a green-black powder when rubbed against an unglazed porcelain plate?

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