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16 January, 20:19

In a laboratory, you scratch an unknown mineral on a piece of unglazed porcelain. Which property are you trying to determine?

streak

fracture

color

luster

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Answers (2)
  1. 16 January, 22:09
    0
    You are tying to determine the color
  2. 16 January, 22:18
    0
    streak

    Explanation:

    You rub a mineral across an unglazed porcelain plate to determine the streak. The hematite shown here has a red-brown streak. Streak is the color of the powder of a mineral. To do a streak test, you scrape the mineral across an unglazed porcelain plate
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