Imagine you are handed a mineral sample. It breaks with a conchoidal fracture, but displays no cleavage. It does not react with hydrochloric acid, is a light pink color, and has a nonmetallic luster. It is harder than a streak plate, and has a specific gravity of 2.65. What mineral is it?

Question

Chemistry

Alisson Peterson

14 February, 08:33

Imagine you are handed a mineral sample. It breaks with a conchoidal fracture, but displays no cleavage. It does not react with hydrochloric acid, is a light pink color, and has a nonmetallic luster. It is harder than a streak plate, and has a specific gravity of 2.65. What mineral is it?

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Answers (1)

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Jerry Harrison · Answer 1

Quartz.

Explanation:

According to the characteristics given in the question the mineral must surely be Quartz.

Quartz does not react with hydrochloric acid.

Its is pink in color and has anon metallic luster. It has a specific gravity of 2.65. Quartz is continuous framework of SiO4, with each oxygen being shared with two tetrahedra, giving an overall chemical formula of SiO2.