Which mineral in the set has a reddish streak?

Question:

Which mineral in the set, regardless of metallic or nonmetallic luster, is characterized by a reddish streak?

A) Quartz

B) Hematite

C) Pyrite

D) Galena

Final answer:

The mineral characterized by a reddish streak is Hematite. Its staining red streak is a key differentiating factor from Quartz, Pyrite, and Galena.

Explanation:

The mineral in the set that is characterized by a reddish streak, regardless of whether it has a metallic or nonmetallic luster, is Hematite. Hematite's most notable characteristic is indeed its reddish streak. This characteristic differentiates it from the other choices in the set.

The mineral in the set that is characterized by a reddish streak regardless of metallic or nonmetallic luster is Hematite. Quartz, which usually has a white streak; Pyrite, recognized by its greenish-black streak; and Galena, which has a grey-black streak, do not exhibit a reddish streak.

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